Individual Page


Family:
Bibliography
  1. Altschul, Michael, A Baronial Family in Medieval England: The Clares, 1217-1314. Baltimore: John Hopkins Press, 1965. Dana Library (Rutgers Newark) CS439.C6285. Information from this source tagged as [Ref: Altschul CLARE [p#][0-9]*].
  2. Cokayne, George Edward, Complete Peerage of England, Scotland, Ireland, Great Britain, and the United Kingdom, extant, extinct, or dormant, vol 03 Canonteigh-Cutts. London: St Catherine Press, 1913. Reprinted (4 per page) Gloucester: A Sutton, 1982. Available at https://familysearch.org/search/catalog/271412 Vol 3 also available at http://archive.org/completepeerageo03coka Information from this source tagged as [Ref: CP III [Ap][p0-9].*].
  3. Phillips, Chris, Corrections and Additions to the Complete Peerage, http://www.medievalgenealogy.org.uk/cp/index.shtml Information from this source tagged as [Ref: CP++ .*].
  4. Richardson, Douglas, Sir Thomas de Clare, his sons, Gilbert and Richard, and grandson, Thomas. Posting to soc.genealogy.medieval (email list GEN-MEDIEVAL) on 3/24/2008. Subject: More C.P. Additions: Sir Thomas de Clare (died 1287), his sons, Gilbert and Richard, and grandson, Thomas. Available at https://groups.google.com/g/soc.genealogy.medieval/c/nLzFEwXg_Mc/m/6t3cggsdFZYJ. Author address: royalancestry at msn dot com. Information from this source tagged as [Ref: Douglas Richardson SGM 3/24/2008-124254].
  5. Schwennicke, Detlev, ed., Europaische Stammtafeln: Stammtafeln zur Geschichte der europaischen Staaten, New Series. III.1 (#1-#200): Herzogs und Grafenhauser des Heiligen Romischen Reiches Andere Europaische Furstenhauser. Marburg: Verlag von J. A. Stargardt, 1984. Information from this source tagged as [Ref: ES III.1 #[0-9]*].
  6. 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 v1[pc][0-9]*].

Sources for birth and parent Information
date:
[Ref: Altschul CLARE #3, ES III.1 #156],
parents:
[Ref: Altschul CLARE #3, CP III p247, Richardson RoyalAnc v1p218, Richardson RoyalAnc v1p329],
father:
[Ref: CP III p291, CP++ Gloucester 12/31/2006 (CP V p700(h))]
Sources for death Information
date:
1321 [Ref: Altschul CLARE #3, ES III.1 #156]
before 10 Apr 1321 [Ref: CP III p247]
before Apr 1321 [Ref: CP++ Gloucester 12/31/2006 (CP V p700(h))]
shortly before 10 Apr 1321 [Ref: Douglas Richardson SGM 3/24/2008-124254, Richardson RoyalAnc v1p219, Richardson RoyalAnc v1p330]
Research Notes:
heir of his father [Ref: Richardson RoyalAnc v1p219, Richardson RoyalAnc v1p330]

d.s.p; heirs were his aunts, Margaret and Maud [Ref: CP++ Gloucester 12/31/2006 (CP V p700(h)), Douglas Richardson SGM 3/24/2008-124254]



Pedigree of Thomas 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
          /-----Thomas DeCLARE, Lord Of Thomond
         |        |                                             /-----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
 /-----Richard De CLARE, Lord Clare, Lord Of Thomond
|        |                                                      /-----Walter FITZ OTHO, Baron Of Eton
|        |                                             /-----Gerald Of Windsor, Constable Of Pembroke Castl
|        |                                            |         \-----Beatrice
|        |                                    /-----Maurice FITZ GERALD, Lord Of Lanstephen
|        |                                   |        |         /-----Rhys Ap Tudor Mawr Prince Of South Wales
|        |                                   |         \-----Nest Of Wales, Princess Of Deheubarth
|        |                                   |                  \-----Gladys Of Powys
|        |                           /-----Gerald FITZ MAURICE, Baron Of Offaly
|        |                          |        |                  /-----Roger De Montgomery, Earl Of Shrewsbury
|        |                          |        |         /-----Arnulph De MONTGOMERY
|        |                          |        |        |         \-----Mabel De Belesme
|        |                          |         \-----Alice De MONTGOMERY
|        |                          |                 |         /-----Muirchertach Ua BRIAIN, High King Of Ireland
|        |                          |                  \-----Lafrocoth
|        |                  /-----Sir Maurice FITZ GERALD, Baron Offaly
|        |                 |        |         /-----Robert De BIRMINGHAM
|        |                 |         \-----Eve De BERMINGHAM
|        |         /-----Maurice FITZ MAURICE FITZ GERALD, Lord Of Offaly
|        |        |         \-----Juliane
|         \-----Julian FITZ MAURICE
|                 |                           /-----Maurice Lord of Prendergast
|                 |                  /-----Philip De PRENDERGAST
|                 |         /-----Gerald De PRENDERGAST
|                 |        |        |         /-----Robert De QUENCI, Constable of Leinster
|                 |        |         \-----Maude De QUENCI
|                 |        |                 |                  /-----Gilbert De CLARE, Earl Of Pembroke
|                 |        |                 |         /-----Richard "Strongbow" De CLARE, Earl Of Pembroke
|                 |        |                 |        |         \-----Elizabeth De BEAUMONT
|                 |        |                  \-----(Unk dau) De CLARE
|                  \-----Matilda De PRENDERGAST
|                          |                           /-----Walter De BURGH
|                          |                  /-----William De BURGH, Lord of Connaught
|                          |                 |         \-----Alice
|                          |         /-----Richard De BURGH, Lord of Connaught
|                          |        |        |                  /-----Tairrdelbach O'Brien, King Of Munster
|                          |        |        |         /-----Domnall Mor O'Brien, King Of Munster
|                          |        |        |        |         \-----Sadb
|                          |        |         \-----(Unk Dau) O'BRIEN
|                           \-----Matilda De BURG
|                                   |                           /-----Gilbert De LACY
|                                   |                  /-----Hugh De LACY, Baron Of Weobley
|                                   |         /-----Walter De LACY, Baron Of Weobley
|                                   |        |        |         /-----Baderon De MONMOUTH
|                                   |        |         \-----Roheis De MONMOUTH
|                                   |        |                  \-----Rohese De CLARE
|                                    \-----Egidia (Jill) De LACY
|                                            |                  /-----William De BRAOS, Baron Of Bramber
|                                            |         /-----William De BRAOS, Baron Of Bramber
|                                            |        |         \-----Bertha Of Hereford
|                                             \-----Margaret De BRAOISE
|                                                     |         /-----Bernard De St VALERY, Baron Of Beckley
|                                                      \-----Matilda De ST VALERIE De HAIA
|                                                               \-----Matilda
Thomas De CLARE
|                                                               /-----Walter FITZ OTHO, Baron Of Eton
|                                                      /-----Gerald Of Windsor, Constable Of Pembroke Castl
|                                                     |         \-----Beatrice
|                                             /-----Maurice FITZ GERALD, Lord Of Lanstephen
|                                            |        |         /-----Rhys Ap Tudor Mawr Prince Of South Wales
|                                            |         \-----Nest Of Wales, Princess Of Deheubarth
|                                            |                  \-----Gladys Of Powys
|                                    /-----Thomas FITZ MAURICE
|                                   |        |                  /-----Roger De Montgomery, Earl Of Shrewsbury
|                                   |        |         /-----Arnulph De MONTGOMERY
|                                   |        |        |         \-----Mabel De Belesme
|                                   |         \-----Alice De MONTGOMERY
|                                   |                 |         /-----Muirchertach Ua BRIAIN, High King Of Ireland
|                                   |                  \-----Lafrocoth
|                           /-----John FITZ THOMAS
|                          |         \-----Sabine
|                  /-----Morice FITZ JOHN
|                 |        |         /-----Thomas Fitz Anthony
|                 |         \-----Margery
|         /-----Thomas FITZ MORICE
|        |         \-----Maud De BARRY
 \-----Joanna FITZ THOMAS
         |                                                      /-----Harding
         |                                             /-----Robert FITZHARDING, Lord Of Berkeley
         |                                    /-----Maurice FITZROBERT FITZHARDING, Baron Of Berkele
         |                                   |        |         /-----Sir Estmond
         |                                   |         \-----Eve
         |                                   |                  \-----Godiva
         |                           /-----Thomas De BERKELEY, Baron Of Berkeley
         |                          |        |                  /-----William De BERKELEY
         |                          |        |         /-----Roger De BERKELEY, Baron Of Dursley
         |                          |         \-----Alice De BERKELEY
         |                  /-----Maurice De BERKELEY, Baron Of Berkeley
         |                 |        |                  /-----John De SOMERY
         |                 |        |         /-----Sir Ralph De SOMERY, Baron Of Dudley
         |                 |        |        |        |         /-----Ralph PAYNEL, Baron Of Dudley
         |                 |        |        |         \-----Hawise De PAYNELL
         |                 |        |        |                  \-----(Unk Dau) De FERRERS
         |                 |         \-----Joan SOMERY
         |                 |                 |                  /-----William Le GROS
         |                 |                 |         /-----William Le GROS
         |                 |                  \-----Margaret Le GROS
         |                 |                          |         /-----John Fitz GILBERT The Marshal
         |                 |                           \-----(Unk dau) Marshall
         |                 |                                    \-----Sibyl De SALISBURY
         |         /-----Sir Thomas De BERKELEY, Lord Berkeley
         |        |        |                                    /-----Geoffrey Plantagenet Count Of Anjou, Duke Of Normandy
         |        |        |                           /-----Henry II Curt Mantel PLANTAGENET, King Of England
         |        |        |                          |         \-----Matilda
         |        |        |                  /-----John Lackland PLANTAGENET, King Of England
         |        |        |                 |        |         /-----William VIII Count Of Poitou, Duke Of Aquitaine
         |        |        |                 |         \-----Eleanor Duchess Of Aquitaine
         |        |        |                 |                  \-----Eleanor De CHASTELLERAULT
         |        |        |         /-----Richard Fitz Roy, Baron Of Chilham
         |        |        |        |        |                  /-----Geoffrey Plantagenet Count Of Anjou, Duke Of Normandy
         |        |        |        |        |         /-----Hameline PLANTAGENET, Earl Of Surrey
         |        |        |        |         \-----(Unk Dau)
         |        |        |        |                 |         /-----William III De WARRENNE, Earl Of Surrey
         |        |        |        |                  \-----Isabel De WARENNE, Countess Of Surrey
         |        |        |        |                           \-----Ela TALVAS
         |        |         \-----Isabel FITZ ROY
         |        |                 |                           /-----William De DOVER
         |        |                 |                  /-----John De DOVER, Baron Of Chilham
         |        |                 |         /-----Fulbert De DOVER, Baron Of Chilham
         |        |                 |        |        |         /-----Geoffrey De LUCY
         |        |                 |        |         \-----Rohese De LUCY
         |        |                  \-----Rohese De DOVER
         |        |                          |                  /-----Thomas De BRIWERE
         |        |                          |         /-----Sir William De BRIWERE, Baron Of Horsley
         |        |                          |        |         \-----(Unk) De ALBEMARLE
         |        |                           \-----Isabel BRIWERRE
         |        |                                   |         /-----Hubert De VAUX, Baron Of Irthington
         |        |                                    \-----Beatrice De VALLE
         |        |                                             \-----Grecia
          \-----Margaret BERKELEY
                  |                                             /-----Robert FERRERS, Earl Of Derby
                  |                                    /-----Robert De FERRERS, Earl Of Derby
                  |                                   |         \-----Hawise
                  |                           /-----William FERRERS, Earl Of Derby
                  |                          |        |         /-----William PEVERIL, Baron Of Peverel
                  |                          |         \-----Margaret PEVERIL
                  |                          |                  \-----Avice De LANCASTER
                  |                  /-----William De FERRERS, Earl Of Derby
                  |                 |        |                  /-----Philip De BRAOS, Baron Of Bramber
                  |                 |        |         /-----William De BRAOS, Baron Of Bramber
                  |                 |        |        |         \-----Aenor De TOTENEIS
                  |                 |         \-----Sibyl De BRAOISE
                  |                 |                 |         /-----Miles FITZ WALTER, Earl Of Hereford
                  |                 |                  \-----Bertha Of Hereford
                  |                 |                           \-----Sibyl De NEUFMARCHE
                  |         /-----William De FERRERS, Earl Of Derby
                  |        |        |                           /-----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
                  |        |         \-----Agnes Of Chester, Lady Of Chartley
                  |        |                 |                  /-----Amauri IV De MONTFORT, Count Of Evereux
                  |        |                 |         /-----Simon De MONTFORT, Count Of Evreux
                  |        |                 |        |         \-----Agnes De Garlande
                  |        |                  \-----Bertrade De MONTFORT
                  |        |                           \-----Maud
                   \-----Joan De FERRERS
                           |                                    /-----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
                           |         /-----Roger De QUINCY, Earl Of Winchester
                           |        |        |                  /-----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 QUINCEY
                                    |                           /-----Uchtred Of Galloway
                                    |                  /-----Roland Lord Of Galloway, Constable Of Scotland
                                    |                 |         \-----Gunnild Of Dunbar
                                    |         /-----Alan Lord Of Galloway, Constable Of Scotland
                                    |        |        |         /-----Richard De MORVILLE, Constable Of Scotland
                                    |        |         \-----Elena De MORVILLE
                                    |        |                  \-----Avice De LANCASTER
                                     \-----Helen Of Galloway
                                             |                  /-----John Fitz Richard, Constable Of Chester
                                             |         /-----Roger De LACY, Baron Of Pontefract
                                             |        |         \-----Alice Fitz Roger
                                              \-----(Unk Dau) De LACY
                                                      |         /-----Ebrard IV Seigneur De Puiset, Vicount Chartres
                                                       \-----Maud De CLERE
                                                                \-----Heloise De ROUCY



Descendants of Thomas De CLARE
1. Thomas De CLARE