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Family:
Bibliography
  1. Cokayne, George Edward, Complete Peerage of England, Scotland, Ireland, Great Britain, and the United Kingdom, extant, extinct, or dormant, vol 05 E-Goojerat. London: St Catherine Press, 1926. Reprinted (4 per page) Gloucester: A Sutton, 1982. Available at https://familysearch.org/search/catalog/271412 Information from this source tagged as [Ref: CP V [Ap][p0-9].*].
  2. Clutterbuck, Robert, History and Antiquities of the County of Hertford, London: Nichols, Son, and Bentley, 1815-27, v1-3. Available at https://familysearch.org/search/catalog/188626. Information from this source tagged as [Ref: Clutterbuck Hertford v[1-3]p[0-9]*].
  3. Richardson, Douglas, Royal Ancestry. Salt Lake City, Utah: Douglas Richardson, 2013. NYPL JFF 16-1184 v1-5 Information from this source tagged as [Ref: Richardson RoyalAnc v2p[0-9]*].

Sources for birth and parent Information
date:
[Ref: CP V p715, Richardson RoyalAnc v2p204],
place:
[Ref: CP V p715, Richardson RoyalAnc v2p204],
parents:
[Ref: CP V p715, Clutterbuck Hertford v3p226, Richardson RoyalAnc v2p204]
Sources for death Information
date:
[Ref: CP V p715, Richardson RoyalAnc v2p204]
infant [Ref: Clutterbuck Hertford v3p226]
Sources for burial Information
place:
[Ref: CP V p715, Richardson RoyalAnc v2p204]
Research Notes:



Pedigree of John De CLARE
                                                                /-----Gilbert FITZ RICHARD, Baron Of Clare
                                                       /-----Richard FITZ GILBERT De CLARE, Baron Of Clare
                                                      |         \-----Adeliza De CLERMONT
                                              /-----Roger De CLARE, Earl Of Hertford
                                             |        |         /-----Ranulph III De MESCHINES, Earl Of Chester
                                             |         \-----Adeliza Le MESCHIN
                                             |                  \-----Lucia Of East Angies
                                     /-----Richard De CLARE, Earl Of Hertford, MC Surety
                                    |        |                  /-----Hasculf De St JAMES, Baron Of Field Dalling
                                    |        |         /-----James De St HILARY, Baron Of Field Dalling
                                    |        |        |         \-----Matilda
                                    |         \-----Maud St. HILLARY
                                    |                  \-----Aveline
                            /-----Sir Gilbert De CLARE, Earl Of Hertford And Glouceste
                           |        |                           /-----Henry I Beauclerc King Of England
                           |        |                  /-----Robert The Consul De CAEN, Earl Of Gloucester
                           |        |         /-----William Meullant FITZ ROBERT, Earl Of Gloucester
                           |        |        |        |         /-----Robert FITZ HAMOND, Lord Of Tewkesbury
                           |        |        |         \-----Maud FITZ HAMOND
                           |        |        |                  \-----Sybil De Montgomery
                           |         \-----Amice MEULANT, Countess Of Gloucester
                           |                 |                  /-----Sir Robert De Beaumont, Earl Of Leicester
                           |                 |         /-----Sir Robert II De Beaumont, Earl Of Leicester
                           |                 |        |         \-----Isabel De Vermandois, Countess Of Leicester
                           |                  \-----Hawise DeBEAUMONT
                           |                          |         /-----Ralph De MONTFORT, Seigneur Of Montfort-Gael
                           |                           \-----Amicia De Gael
                   /-----Richard De CLARE, Earl Of Gloucester And Hertfor
                  |        |                                    /-----Robert Marshal
                  |        |                           /-----Gilbert GIFFARD, Marshal
                  |        |                  /-----John Fitz GILBERT The Marshal
                  |        |                 |        |         /-----Geoffrey De VENOIZ
                  |        |                 |         \-----(Unk dau) De VENOIZ
                  |        |         /-----Sir William MARSHALL, Protector, Earl Of Pembroke
                  |        |        |        |                  /-----Edward De SARESBERIE, Baron Of Trowbridge
                  |        |        |        |         /-----Walter De SALISBURY, Baron Of Chitterne
                  |        |        |         \-----Sibyl De SALISBURY
                  |        |        |                 |         /-----Patric De CHAWORTH, Baron Of Kempsford
                  |        |        |                  \-----Sibyl De CHAWORTH
                  |        |        |                           \-----Matilda De HESDIN
                  |         \-----Isabel MARSHALL
                  |                 |                           /-----Gilbert FITZ RICHARD, Baron Of Clare
                  |                 |                  /-----Gilbert De CLARE, Earl Of Pembroke
                  |                 |                 |         \-----Adeliza De CLERMONT
                  |                 |         /-----Richard "Strongbow" De CLARE, Earl Of Pembroke
                  |                 |        |        |         /-----Sir Robert De Beaumont, Earl Of Leicester
                  |                 |        |         \-----Elizabeth De BEAUMONT
                  |                 |        |                  \-----Isabel De Vermandois, Countess Of Leicester
                  |                  \-----Isabel De CLARE, Countess Of Pembroke
                  |                          |                  /-----Donnchad Mac MURCHAD, King Of Dublin, Laigin, Lei
                  |                          |         /-----Dairmait Mac MURCHAD, King Of Leinster
                  |                          |        |         \-----Orlaith
                  |                           \-----Aoife Macmurchada Of Leinster
                  |                                   |         /-----Muirchertach Ua TUATHAIL, King Of Ui Muiredaig
                  |                                    \-----Mor Ua TUATHAIL
                  |                                             \-----Cacht Of Leix
          /-----Sir Gilbert DeCLARE, Earl Of Gloucester And Hertford
         |        |                                             /-----Eustace Fitz John De BURGO, Constable Of Chester
         |        |                                    /-----Richard FITZ EUSTACE, Constable Of Chester
         |        |                                   |         \-----Agnes De HALTON
         |        |                           /-----John Fitz Richard, Constable Of Chester
         |        |                          |        |         /-----Robert LIZOURS
         |        |                          |         \-----Albreada LIZOURS, Baroness Of Pontfract
         |        |                          |                  \-----Aubrey De LACY
         |        |                  /-----Roger De LACY, Baron Of Pontefract
         |        |                 |        |                  /-----Richard
         |        |                 |        |         /-----Roger FITZ RICHARD, Baron Of Warkworth
         |        |                 |        |        |         \-----Jane BIGOD
         |        |                 |         \-----Alice Fitz Roger
         |        |                 |                 |         /-----Alberic II De VERE, Baron Of Hedingham
         |        |                 |                  \-----Alice De VERE
         |        |                 |                           \-----Adeliza De CLARE
         |        |         /-----John De LACY, Earl Of Lincoln, MC Surety
         |        |        |        |                           /-----Ebrard III Seigneur De Puiset
         |        |        |        |                  /-----Hugh III Seigneur De Puiset, Vicount Chartres
         |        |        |        |                 |         \-----Adelaide Of Corbeil
         |        |        |        |         /-----Ebrard IV Seigneur De Puiset, Vicount Chartres
         |        |        |        |        |        |         /-----Stephen Count Of Blois, Leader Of First Crusade
         |        |        |        |        |         \-----Agnes
         |        |        |        |        |                  \-----Adela
         |        |        |         \-----Maud De CLERE
         |        |        |                  \-----Heloise De ROUCY
         |         \-----Maud De LACY
         |                 |                                    /-----Saher De QUINCEY, Lord Of Buckby In Northampto
         |                 |                           /-----Robert De QUINCEY
         |                 |                          |         \-----Maud De ST LIZ
         |                 |                  /-----Saire De QUINCEY, Earl Of Winchester, MC Suret
         |                 |                 |        |         /-----Ness Of Leuchars
         |                 |                 |         \-----Orabella
         |                 |         /-----Robert De QUINCEY
         |                 |        |        |                  /-----Sir Robert II De Beaumont, Earl Of Leicester
         |                 |        |        |         /-----Sir Robert De BEAUMONT, Earl Of Leicester
         |                 |        |        |        |         \-----Amicia De Gael
         |                 |        |         \-----Margaret BEAUMONT
         |                 |        |                 |         /-----William De GRANTMESNIL
         |                 |        |                  \-----Petronilla De GRANTMESNIL
         |                  \-----Margaret De QUINCY, Heiress Of Lincoln
         |                          |                           /-----Ranulph III De MESCHINES, Earl Of Chester
         |                          |                  /-----Ranulf De GERNON, Earl Of Chester, Vicomte D'Avranches
         |                          |                 |         \-----Lucia Of East Angies
         |                          |         /-----Hugh Of Kevelioc, Earl Of Chester
         |                          |        |        |         /-----Robert The Consul De CAEN, Earl Of Gloucester
         |                          |        |         \-----Maud De CAEN
         |                          |        |                  \-----Maud FITZ HAMOND
         |                           \-----Hawise Of Chester, Countess Of Lincoln
         |                                   |                  /-----Amauri IV De MONTFORT, Count Of Evereux
         |                                   |         /-----Simon De MONTFORT, Count Of Evreux
         |                                   |        |         \-----Agnes De Garlande
         |                                    \-----Bertrade De MONTFORT
         |                                             \-----Maud
 /-----Gilbert De CLARE, Earl Of Gloucester
|        |                                                      /-----Fulk V The Young Count Of Anjou, King Of Jerusalem
|        |                                             /-----Geoffrey Plantagenet Count Of Anjou, Duke Of Normandy
|        |                                            |         \-----Erembourg Of Maine
|        |                                    /-----Henry II Curt Mantel PLANTAGENET, King Of England
|        |                                   |        |         /-----Henry I Beauclerc King Of England
|        |                                   |         \-----Matilda
|        |                                   |                  \-----Matilda Of Scotland
|        |                           /-----John Lackland PLANTAGENET, King Of England
|        |                          |        |                  /-----William VII Count Of Poitou, IX Duke Of Aquitain
|        |                          |        |         /-----William VIII Count Of Poitou, Duke Of Aquitaine
|        |                          |        |        |         \-----Maud Of Toulouse
|        |                          |         \-----Eleanor Duchess Of Aquitaine
|        |                          |                 |         /-----Aimery I Vicount De Chatellerault
|        |                          |                  \-----Eleanor De CHASTELLERAULT
|        |                          |                           \-----Dangerose
|        |                  /-----Henry III King Of England
|        |                 |        |                           /-----Wulgrim II Tailefer, Count Of Angouleme
|        |                 |        |                  /-----William Guillaume IV Tailefer, Count Of Angouleme
|        |                 |        |                 |         \-----Ponse De Montgomery
|        |                 |        |         /-----Aymer Tailefer, Count Of Angouleme
|        |                 |        |        |        |         /-----Raymond I Vicount Of Turenne
|        |                 |        |        |         \-----Marguerite De Turenne
|        |                 |        |        |                  \-----Maude De Perche
|        |                 |         \-----Isabel Of Angouleme
|        |                 |                 |                  /-----Louis VI The Fat King Of France
|        |                 |                 |         /-----Peter Of France, Lord Of Courteney
|        |                 |                 |        |         \-----Adelaide Of Savoy
|        |                 |                  \-----Alice De Courtenay
|        |                 |                          |         /-----Renaud De Courtenay, Seigneur De Courtenay
|        |                 |                           \-----Elizabeth De Courtenay
|        |                 |                                    \-----Hedwig Du DONJON
|        |         /-----Edward I King Of England
|        |        |        |                                    /-----Raymond Berenger IV Count Of Barcelona
|        |        |        |                           /-----Alfonso II King Of Aragon
|        |        |        |                          |         \-----Petronilla Queen Of Aragon
|        |        |        |                  /-----Alfonso II Count Of Provence
|        |        |        |                 |        |         /-----Alfonso VII King Of Castile And Leon
|        |        |        |                 |         \-----Sancha Of Castile
|        |        |        |                 |                  \-----Richilde Of Poland
|        |        |        |         /-----Raymond Berengar IV Count Of Provence And Forcalquier
|        |        |        |        |        |                  /-----Rostaing II De Sabran
|        |        |        |        |        |         /-----Rainou Seigneur De Castellar, Count Of Forcalqu
|        |        |        |        |        |        |         \-----Roscie Of Uzes
|        |        |        |        |         \-----Gersenda II Of Sabran
|        |        |        |        |                 |         /-----William II Count Of Forcalquier
|        |        |        |        |                  \-----Gersinde Of Forcalquier
|        |        |        |        |                           \-----Adelaida De Bezieres
|        |        |         \-----Eleanor Of Provence
|        |        |                 |                           /-----Amadeus III Count Of Savoy, Marquess Of Turin
|        |        |                 |                  /-----Humbert III Count Of Savoy
|        |        |                 |                 |         \-----Matilda Of Grenoble
|        |        |                 |         /-----Thomas I Count Of Savoy
|        |        |                 |        |        |         /-----Gerard I Count Of Vienne And Macon
|        |        |                 |        |         \-----Beatrix Of Macon
|        |        |                 |        |                  \-----Maurette Of Salines
|        |        |                  \-----Beatrice Of Savoy
|        |        |                          |                  /-----Amadeus Count Of Geneva
|        |        |                          |         /-----William I Count Of Geneva
|        |        |                          |        |         \-----Matilda
|        |        |                           \-----Margaret Of Geneva
|        |        |                                   |         /-----Aimon I Sire Of Faucigny
|        |        |                                    \-----Beatrix De FAUCIGNY
|        |        |                                             \-----Clementia
|         \-----Joan PLANTAGENET
|                 |                                             /-----Raymond Of Burgandy, Count Of Castille
|                 |                                    /-----Alfonso VII King Of Castile And Leon
|                 |                                   |         \-----Urraca Queen Of Castile And Leon
|                 |                           /-----Fernando II King Of Leon
|                 |                          |        |         /-----Raymond Berenger III Count Of Barcelona
|                 |                          |         \-----Berenguela Of Barcelona
|                 |                          |                  \-----Aldonza De CARLAT
|                 |                  /-----Alfonso IX King Of Leon
|                 |                 |        |                  /-----Henry I Count Of Portugal
|                 |                 |        |         /-----Alfonso Henriques I King Of Portugal
|                 |                 |        |        |         \-----Theresa Of Castile
|                 |                 |         \-----Urraca Of Portugal
|                 |                 |                 |         /-----Amadeus III Count Of Savoy, Marquess Of Turin
|                 |                 |                  \-----Maud Of Savoy
|                 |                 |                           \-----Matilda Of Grenoble
|                 |         /-----Fernando III The Saint King Of Castile And Leon
|                 |        |        |                           /-----Alfonso VII King Of Castile And Leon
|                 |        |        |                  /-----Sancho III King Of Castile
|                 |        |        |                 |         \-----Berenguela Of Barcelona
|                 |        |        |         /-----Alfonso VIII The Good King Of Castile
|                 |        |        |        |        |         /-----Garcia V King Of Navarre
|                 |        |        |        |         \-----Blanche Of Navarre
|                 |        |        |        |                  \-----Marguerite Of Perche
|                 |        |         \-----Berengaria Of Castile
|                 |        |                 |                  /-----Geoffrey Plantagenet Count Of Anjou, Duke Of Normandy
|                 |        |                 |         /-----Henry II Curt Mantel PLANTAGENET, King Of England
|                 |        |                 |        |         \-----Matilda
|                 |        |                  \-----Eleanor Of England
|                 |        |                          |         /-----William VIII Count Of Poitou, Duke Of Aquitaine
|                 |        |                           \-----Eleanor Duchess Of Aquitaine
|                 |        |                                    \-----Eleanor De CHASTELLERAULT
|                  \-----Eleanor Of Castile
|                          |                                    /-----Odo De DAMMARTIN
|                          |                           /-----Alberic I De DAMMARTIN
|                          |                          |         \-----Basilia De St CLAIR
|                          |                  /-----Alberic II De DAMMARTIN, Count Of Dammartin
|                          |                 |         \-----(Unk)
|                          |         /-----Simon De DAMMARTIN, Count Of Aumale
|                          |        |        |                  /-----Hugh Count Of Clermont
|                          |        |        |         /-----Renaud Count Of Clermont
|                          |        |        |        |         \-----Margaret De Roucy
|                          |        |         \-----Maud Of Clermont
|                          |        |                 |         /-----Renaud I Count Of Bar
|                          |        |                  \-----Clemence Of Bar-Le-Duc
|                          |        |                           \-----Gisele De VAUDEMONT
|                           \-----Joan De DAMMARTIN
|                                   |                           /-----Guy II De PONTHIEU, Count Of Ponthieu
|                                   |                  /-----John I De PONTHIEU, Count Of Ponthieu
|                                   |                 |         \-----Ida
|                                   |         /-----William III De PONTHIEU, Count Of Ponthieu
|                                   |        |        |         /-----Anselme CANDAVAINE, Count Of St. Pol
|                                   |        |         \-----Beatrice Of St. Pol
|                                    \-----Marie Countess Of Ponthieu
|                                            |                  /-----Louis VI The Fat King Of France
|                                            |         /-----Louis VII The Young King Of France
|                                            |        |         \-----Adelaide Of Savoy
|                                             \-----Alice Of France
|                                                     |         /-----Alfonso VII King Of Castile And Leon
|                                                      \-----Constance Of Castile
|                                                               \-----Berenguela Of Barcelona
John De CLARE
|                                             /-----Walter De BURGH
|                                    /-----William De BURGH, Lord of Connaught
|                                   |         \-----Alice
|                           /-----Richard De BURGH, Lord of Connaught
|                          |        |                           /-----Diarmaid O'Brien, King Of Munster
|                          |        |                  /-----Tairrdelbach O'Brien, King Of Munster
|                          |        |                 |         \-----Mor
|                          |        |         /-----Domnall Mor O'Brien, King Of Munster
|                          |        |        |        |         /-----Donnchad Balc Mac Gilla Patraic Ruad, King of Ossraig
|                          |        |        |         \-----Sadb
|                          |         \-----(Unk Dau) O'BRIEN
|                  /-----Walter De BURG, Earl Of Ulster
|                 |        |                           /-----Gilbert De LACY
|                 |        |                          |         \-----Emma De LACY
|                 |        |                  /-----Hugh De LACY, Baron Of Weobley
|                 |        |         /-----Walter De LACY, Baron Of Weobley
|                 |        |        |        |                  /-----William Fitz BADERON, Baron Of Monmouth
|                 |        |        |        |         /-----Baderon De MONMOUTH
|                 |        |        |        |        |         \-----Hawise
|                 |        |        |         \-----Roheis De MONMOUTH
|                 |        |        |                 |         /-----Gilbert FITZ RICHARD, Baron Of Clare
|                 |        |        |                  \-----Rohese De CLARE
|                 |        |        |                           \-----Adeliza De CLERMONT
|                 |         \-----Egidia (Jill) De LACY
|                 |                 |                           /-----Philip De BRAOS, Baron Of Bramber
|                 |                 |                  /-----William De BRAOS, Baron Of Bramber
|                 |                 |                 |         \-----Aenor De TOTENEIS
|                 |                 |         /-----William De BRAOS, Baron Of Bramber
|                 |                 |        |        |         /-----Miles FITZ WALTER, Earl Of Hereford
|                 |                 |        |         \-----Bertha Of Hereford
|                 |                 |        |                  \-----Sibyl De NEUFMARCHE
|                 |                  \-----Margaret De BRAOISE
|                 |                          |                  /-----Reginald De St VALERY, Baron Of Beckley
|                 |                          |         /-----Bernard De St VALERY, Baron Of Beckley
|                 |                           \-----Matilda De ST VALERIE De HAIA
|                 |                                    \-----Matilda
|         /-----Richard De BURGH, Earl Of Ulster
|        |        |                           /-----Piers De LUTEGARESHALE
|        |        |                  /-----Geoffrey FITZ PIERS, Earl Of Essex
|        |        |                 |         \-----Maud
|        |        |         /-----Sir John FITZ GEOFFREY
|        |        |        |        |                           /-----Gilbert FITZ RICHARD, Baron Of Clare
|        |        |        |        |                  /-----Richard FITZ GILBERT De CLARE, Baron Of Clare
|        |        |        |        |                 |         \-----Adeliza De CLERMONT
|        |        |        |        |         /-----Roger De CLARE, Earl Of Hertford
|        |        |        |        |        |        |         /-----Ranulph III De MESCHINES, Earl Of Chester
|        |        |        |        |        |         \-----Adeliza Le MESCHIN
|        |        |        |        |        |                  \-----Lucia Of East Angies
|        |        |        |         \-----Aveline De CLARE
|        |        |        |                 |                  /-----Hasculf De St JAMES, Baron Of Field Dalling
|        |        |        |                 |         /-----James De St HILARY, Baron Of Field Dalling
|        |        |        |                 |        |         \-----Matilda
|        |        |        |                  \-----Maud St. HILLARY
|        |        |        |                           \-----Aveline
|        |         \-----Aveline FITZJOHN
|        |                 |                                    /-----Roger BIGOD, Baron Of Framlingham
|        |                 |                           /-----Hugh BIGOD, Earl Of Norfolk And Suffolk
|        |                 |                          |         \-----Alice De TOENI
|        |                 |                  /-----Roger BIGOD, Earl Of Norfolk, MC Surety
|        |                 |                 |        |         /-----Alberic II De VERE, Baron Of Hedingham
|        |                 |                 |         \-----Juliana VERE
|        |                 |                 |                  \-----Adeliza De CLARE
|        |                 |         /-----Hugh BIGOD, Earl Of Norfolk, MC Surety
|        |                 |        |        |                  /-----Roger III De TOENI, Baron Of Flamstead
|        |                 |        |        |         /-----Ralph V De TOENI, Baron Of Flamstead
|        |                 |        |        |        |         \-----Ida (Gertrude) Of Hainault
|        |                 |        |         \-----Ida Countess Of Norfolk
|        |                 |        |                 |         /-----Sir Robert II De Beaumont, Earl Of Leicester
|        |                 |        |                  \-----Margaret De BEAUMONT
|        |                 |        |                           \-----Amicia De Gael
|        |                  \-----Isabel BIGOD
|        |                          |                           /-----Gilbert GIFFARD, Marshal
|        |                          |                  /-----John Fitz GILBERT The Marshal
|        |                          |                 |         \-----(Unk dau) De VENOIZ
|        |                          |         /-----Sir William MARSHALL, Protector, Earl Of Pembroke
|        |                          |        |        |         /-----Walter De SALISBURY, Baron Of Chitterne
|        |                          |        |         \-----Sibyl De SALISBURY
|        |                          |        |                  \-----Sibyl De CHAWORTH
|        |                           \-----Maud MARSHALL
|        |                                   |                  /-----Gilbert De CLARE, Earl Of Pembroke
|        |                                   |         /-----Richard "Strongbow" De CLARE, Earl Of Pembroke
|        |                                   |        |         \-----Elizabeth De BEAUMONT
|        |                                    \-----Isabel De CLARE, Countess Of Pembroke
|        |                                            |         /-----Dairmait Mac MURCHAD, King Of Leinster
|        |                                             \-----Aoife Macmurchada Of Leinster
|        |                                                      \-----Mor Ua TUATHAIL
 \-----Maud De BURGH
         |                                                      /-----Wenemar I Burggraf Of Gent
         |                                             /-----Arnold Of Gent, Count Of Guines
         |                                            |         \-----Gisela Of Guines
         |                                    /-----Baldwin II Count Of Guines
         |                                   |        |         /-----Guillaume Chatelain Of Saint Omer
         |                                   |         \-----Mahaut De SAINT OMER
         |                                   |                  \-----Millesende De PICQUIGNY
         |                           /-----Arnold II Count Of Guines
         |                          |        |         /-----Arnold IV De Marcq, Lord Of Ardres
         |                          |         \-----Christine Of Ardres
         |                          |                 |         /-----Ernulf Of Ardres
         |                          |                  \-----Adelide Of Ardres
         |                          |                           \-----Gertrude Of Alost
         |                  /-----Baldwin III Count Of Guines
         |                 |        |         /-----Walter Chatelain Of Bourbourg
         |                 |         \-----Beatrix De Bourbourg
         |                 |                  \-----Mathilde Of Bethune
         |         /-----Arnold III Count Of Guines
         |        |        |                                    /-----Conan Fitz EUSTACHE
         |        |        |                           /-----Eustace II De FIENNES, Baron Fiennes
         |        |        |                          |         \-----Gila
         |        |        |                  /-----Ingleman De FIENNES
         |        |        |                 |        |         /-----Arnold Of Gent, Count Of Guines
         |        |        |                 |         \-----Margaret Of Guines
         |        |        |                 |                  \-----Mahaut De SAINT OMER
         |        |        |         /-----William De FIENNES
         |        |        |        |        |                  /-----William De BOULOGNE
         |        |        |        |        |         /-----Faramus De BOULOGNE
         |        |        |        |        |        |         \-----(Unk1)
         |        |        |        |         \-----Sybilla De BOULOGNE
         |        |        |        |                  \-----Matilda
         |        |         \-----Mahaut Fiennes
         |        |                 |                           /-----Odo De DAMMARTIN
         |        |                 |                  /-----Alberic I De DAMMARTIN
         |        |                 |                 |         \-----Basilia De St CLAIR
         |        |                 |         /-----Alberic II De DAMMARTIN, Count Of Dammartin
         |        |                 |        |         \-----(Unk)
         |        |                  \-----Agnes De DAMMARTIN
         |        |                          |                  /-----Hugh Count Of Clermont
         |        |                          |         /-----Renaud Count Of Clermont
         |        |                          |        |         \-----Margaret De Roucy
         |        |                           \-----Maud Of Clermont
         |        |                                   |         /-----Renaud I Count Of Bar
         |        |                                    \-----Clemence Of Bar-Le-Duc
         |        |                                             \-----Gisele De VAUDEMONT
          \-----Margaret Of Guines
                  |                                             /-----Enguerrand I De COUCY, Count Of Amiens
                  |                                    /-----Thomas De COUCY, Count Of Anvers
                  |                                   |         \-----Ade De ROUCY, Dame De Marle
                  |                           /-----Enguerrand II Sire De COUCY
                  |                          |        |         /-----Guy De CRECY En LAONNOIS
                  |                          |         \-----Melisende De CRECY En LAONNOIS
                  |                  /-----Ralph I Sire De COUCY
                  |                 |        |                  /-----Lanzelin II Seigneur De Baugency
                  |                 |        |         /-----Ralph Seigneur De BAUGENCI
                  |                 |        |        |         \-----Alberga
                  |                 |         \-----Agnes De BAUGENCI
                  |                 |                 |         /-----Hugh Magnus Duke Of France
                  |                 |                  \-----Matilda Of Vermandois
                  |                 |                           \-----Adelaide De Vermandois, Countess Of Vermandois
                  |         /-----Enguerrand III Lord Of Coucy
                  |        |        |                           /-----Philip I King Of France
                  |        |        |                  /-----Louis VI The Fat King Of France
                  |        |        |                 |         \-----Bertha Of Holland
                  |        |        |         /-----Robert I Count Of Dreux
                  |        |        |        |        |         /-----Humbert II Count Of Maurienne And Savoy
                  |        |        |        |         \-----Adelaide Of Savoy
                  |        |        |        |                  \-----Gisele Of Burgundy
                  |        |         \-----Adelaide Of Dreux
                  |        |                 |                  /-----Andre Seigneur De Baudmont
                  |        |                 |         /-----Gui Seigneur De Baudmont And Braine
                  |        |                 |        |         \-----Agnes Heiress Of Braine
                  |        |                  \-----Agnes De Baudemont
                  |        |                           \-----Adelaide
                   \-----Alix Of Coucy
                           |                                    /-----Gaucher Lord Of Montmirail And Ferte-Gaucher
                           |                           /-----Helie Lord Of Ferte-Gaucher
                           |                          |         \-----Elizabeth
                           |                  /-----Andre Lord Of Ferte-Gaucher
                           |                 |        |         /-----Jean Vicount Of Marsuil
                           |                 |         \-----Adelaide Of Marsuil
                           |         /-----John Seigneur De Montmirel
                           |        |        |                  /-----Hugh II Chatelain De Cambrai
                           |        |        |         /-----Simon De Oizy, Chatelain De Cambrai
                           |        |        |        |         \-----Hildegarde
                           |        |         \-----Hildearde Of Oisy
                           |        |                 |         /-----Geoffroy Vicount Of La Ferte-Ancoul
                           |        |                  \-----Ade Of Ferte-Ancoul
                            \-----Mary Of Montmirail
                                    |                           /-----Thibaud Seigneur De Dampierre
                                    |                  /-----Gui I Seigneur De Dampierre, Vicomte Of Troyes
                                    |                 |         \-----Isabel
                                    |         /-----William Seigneur De Dampierre, Constable Of Cham
                                    |        |        |         /-----Andre Seigneur De Baudmont
                                    |        |         \-----Helvide Of Baudemont
                                    |        |                  \-----Agnes Heiress Of Braine
                                     \-----Helvide Of Dampierre
                                             |                  /-----Dreux III Seigneur De Morichy
                                             |         /-----Dreux IV Seigneur De Morichy
                                             |        |         \-----Edith De WARENNE
                                              \-----Ermengarde
                                                      |         /-----Lancelin II Of Beauvais
                                                       \-----Basilie
                                                                \-----Adele De Bulles



Descendants of John De CLARE
1. John De CLARE