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. 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. 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]*].
  4. 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: Richardson RoyalAnc v2p191]
1228 [Ref: Altschul CLARE #2, ES III.1 #156],
parents:
[Ref: Altschul CLARE #2, Clutterbuck Hertford v3p226, Richardson RoyalAnc v2p185]
Sources for death Information
date:
[Ref: ES III.1 #156]
1258 [Ref: Altschul CLARE #2]
shrotly after May 1258 [Ref: Richardson RoyalAnc v2p191],
place:
[Ref: Richardson RoyalAnc v2p191]
Sources for burial Information
place:
[Ref: Richardson RoyalAnc v2p191]
Research Notes:
Knt, of Petersfield and Mapledurham (in Burton), Hampshire, and Walsingham, Wells, and Watham, Norfolk [Ref: Richardson RoyalAnc v2p191]

Constable of Winchester Castle [Ref: Richardson RoyalAnc v2p191]

poisoned in May 1258 with his brother Richard, while at breakfast with Prince Edward at Winchester, Hampshire [Ref: Richardson RoyalAnc v2p191]



Pedigree of William De CLARE
                                                                /-----Godfrey Count Of Brionne
                                                       /-----Gilbert Count Of Brionne
                                              /-----Richard FITZ GILBERT De CLARE, Baron Of Clare
                                     /-----Gilbert FITZ RICHARD, Baron Of Clare
                                    |        |                  /-----Osbern De Bolbec, Seigneur Of Longueville
                                    |        |         /-----Walter Giffard Lord Of Longueville
                                    |        |        |         \-----Wevie
                                    |         \-----Rohese GIFFARD
                                    |                 |         /-----Gerard De FLEITELL
                                    |                  \-----Ermengarde FLATEL
                            /-----Richard FITZ GILBERT De CLARE, Baron Of Clare
                           |        |                           /-----Hugh Butler Of France
                           |        |                  /-----Renaud Count Of Clermont
                           |        |         /-----Hugh Count Of Clermont
                           |        |        |         \-----Ermengardis
                           |         \-----Adeliza De CLERMONT
                           |                 |                  /-----Hildouin II De Rameru
                           |                 |         /-----Hildouin III De Rameru, Count Of Montdidier And Roucy
                           |                 |        |         \-----Anonima
                           |                  \-----Margaret De Roucy
                           |                          |         /-----Ebles I Count Of Rheims And Roucy
                           |                           \-----Adele De Roucy
                           |                                    \-----Beatrix Of Hainault
                   /-----Roger De CLARE, Earl Of Hertford
                  |        |                                    /-----Anschitil Vicomte Of The Bessin
                  |        |                           /-----Ranulph I De MESCHINES, Vicomte De Bayeux
                  |        |                  /-----Ranulph II De MESCHINES, Vicomte De Bayeux
                  |        |                 |        |         /-----Richard III Duke Of Normandy
                  |        |                 |         \-----Alice Of Normandy
                  |        |         /-----Ranulph III De MESCHINES, Earl Of Chester
                  |        |        |        |                  /-----Turstain De Goz, Vicount Of Hiemois
                  |        |        |        |         /-----Richard Le Goz, Vicomte D'Avranches
                  |        |        |         \-----Margaret Le Goz
                  |        |        |                  \-----Emma
                  |         \-----Adeliza Le MESCHIN
                  |                 |                  /-----(Unk)
                  |                 |         /-----Thorold Of Buckingham, Sheriff Of Lincoln
                  |                  \-----Lucia Of East Angies
                  |                          |         /-----William MALET
                  |                           \-----(Unk Dau)
                  |                                   |         /-----Gilbert Crespin, Lord Of Tillieres
                  |                                    \-----Esilia CRISPIN
                  |                                             \-----Gunnor De ANJOU
          /-----Richard De CLARE, Earl Of Hertford, MC Surety
         |        |                                    /-----(Unk) De St James
         |        |                           /-----Eudo De St James
         |        |                  /-----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
|        |                                                      /-----Richard II The Good Duke Of Normandy
|        |                                             /-----Robert I The Devil Duke Of Normandy
|        |                                            |         \-----Judith Of Brittany
|        |                                    /-----William The Conqueror King Of England
|        |                                   |        |         /-----Fulbert Of Falaise
|        |                                   |         \-----Herleve Of Falaise
|        |                                   |                  \-----Duxia
|        |                           /-----Henry I Beauclerc King Of England
|        |                          |        |                  /-----Baldwin IV The Bearded Count Of Flanders
|        |                          |        |         /-----Baldwin V Count Of Flanders
|        |                          |        |        |         \-----Ogive Of Luxembourg
|        |                          |         \-----Maud Of Flanders
|        |                          |                 |         /-----Robert II The Pious King Of France
|        |                          |                  \-----Adelaide Of France
|        |                          |                           \-----Constance Of Provence
|        |                  /-----Robert The Consul De CAEN, Earl Of Gloucester
|        |         /-----William Meullant FITZ ROBERT, Earl Of Gloucester
|        |        |        |                           /-----Hamon-Aux-Dents Lord Of Torigny
|        |        |        |                  /-----Hamon Sheriff Of Kent
|        |        |        |         /-----Robert FITZ HAMOND, Lord Of Tewkesbury
|        |        |         \-----Maud FITZ HAMOND
|        |        |                 |                           /-----Hugh De Montgomery
|        |        |                 |                  /-----Roger De Montgomery, Seigneur Of Montgomery
|        |        |                 |                 |         \-----Josceline
|        |        |                 |         /-----Roger De Montgomery, Earl Of Shrewsbury
|        |        |                 |        |         \-----Emma
|        |        |                  \-----Sybil De Montgomery
|        |        |                          |                  /-----William I Count Of Alencon And Bellasme
|        |        |                          |         /-----William II TALVAS
|        |        |                          |        |         \-----Mathilde
|        |        |                           \-----Mabel De Belesme
|        |        |                                   |         /-----Arnulf
|        |        |                                    \-----Hildeburg
|         \-----Amice MEULANT, Countess Of Gloucester
|                 |                                             /-----Thorold Seigeur Of Pont-Audemer
|                 |                                    /-----Humphrey De Vieilles
|                 |                                   |         \-----Aveline
|                 |                           /-----Roger De Beaumont
|                 |                          |         \-----Aubreye De La Haie
|                 |                  /-----Sir Robert De Beaumont, Earl Of Leicester
|                 |                 |        |                  /-----Hugo I Count Of Meulen
|                 |                 |        |         /-----Waleran Count Of Meulan
|                 |                 |        |        |         \-----Oda Of Valois
|                 |                 |         \-----Adelise Of Meulan
|                 |                 |                  \-----Ode
|                 |         /-----Sir Robert II De Beaumont, Earl Of Leicester
|                 |        |        |                           /-----Robert II The Pious King Of France
|                 |        |        |                  /-----Henry I King Of France
|                 |        |        |                 |         \-----Constance Of Provence
|                 |        |        |         /-----Hugh Magnus Duke Of France
|                 |        |        |        |        |         /-----Jaroslav I Grand Prince Of Kiev
|                 |        |        |        |         \-----Anne Of Kiev
|                 |        |        |        |                  \-----Ingegard
|                 |        |         \-----Isabel De Vermandois, Countess Of Leicester
|                 |        |                 |                  /-----Eudes Count Of Vermandois
|                 |        |                 |         /-----Herbert IV Count Of Vermandois
|                 |        |                 |        |         \-----Parvie
|                 |        |                  \-----Adelaide De Vermandois, Countess Of Vermandois
|                 |        |                          |         /-----Raoul III The Great Count Of Valois And Vexin
|                 |        |                           \-----Adela De Valois
|                 |        |                                    \-----Adela
|                  \-----Hawise DeBEAUMONT
|                          |                           /-----Ralph De Gael, Earl Of Norfolk
|                          |                  /-----Ralph De Gael De Montfort, Earl Of Norfolk
|                          |                 |         \-----Getha
|                          |         /-----Ralph De MONTFORT, Seigneur Of Montfort-Gael
|                          |        |        |                  /-----Osbern De Crepon, Steward Of Normandy
|                          |        |        |         /-----William Fitz Osbern, Earl Of Hereford
|                          |        |        |        |         \-----Emma Abbess Of St. Amand
|                          |        |         \-----Emma Fitz Osbern
|                          |        |                 |         /-----Roger I De TOENI
|                          |        |                  \-----Adelise De TONI
|                          |        |                           \-----Godehildie
|                           \-----Amicia De Gael
William De CLARE
|                                    /-----Robert Marshal
|                           /-----Gilbert GIFFARD, Marshal
|                  /-----John Fitz GILBERT The Marshal
|                 |        |         /-----Geoffrey De VENOIZ
|                 |         \-----(Unk dau) De VENOIZ
|         /-----Sir William MARSHALL, Protector, Earl Of Pembroke
|        |        |                           /-----Girold DAPIFER
|        |        |                  /-----Edward De SARESBERIE, Baron Of Trowbridge
|        |        |                 |         \-----Wulfwynn Of Cresswell
|        |        |         /-----Walter De SALISBURY, Baron Of Chitterne
|        |         \-----Sibyl De SALISBURY
|        |                 |                  /-----Hugh
|        |                 |         /-----Patric De CHAWORTH, Baron Of Kempsford
|        |                  \-----Sibyl De CHAWORTH
|        |                          |                  /-----(Unk) De HESDIN
|        |                          |         /-----Ernulph De HESDIN, Baron Of Keevil
|        |                           \-----Matilda De HESDIN
|        |                                    \-----Emmeline
 \-----Isabel MARSHALL
         |                                                      /-----Godfrey Count Of Brionne
         |                                             /-----Gilbert Count Of Brionne
         |                                    /-----Richard FITZ GILBERT De CLARE, Baron Of Clare
         |                           /-----Gilbert FITZ RICHARD, Baron Of Clare
         |                          |        |                  /-----Osbern De Bolbec, Seigneur Of Longueville
         |                          |        |         /-----Walter Giffard Lord Of Longueville
         |                          |        |        |         \-----Wevie
         |                          |         \-----Rohese GIFFARD
         |                          |                 |         /-----Gerard De FLEITELL
         |                          |                  \-----Ermengarde FLATEL
         |                  /-----Gilbert De CLARE, Earl Of Pembroke
         |                 |        |                           /-----Hugh Butler Of France
         |                 |        |                  /-----Renaud Count Of Clermont
         |                 |        |         /-----Hugh Count Of Clermont
         |                 |        |        |         \-----Ermengardis
         |                 |         \-----Adeliza De CLERMONT
         |                 |                 |                  /-----Hildouin II De Rameru
         |                 |                 |         /-----Hildouin III De Rameru, Count Of Montdidier And Roucy
         |                 |                 |        |         \-----Anonima
         |                 |                  \-----Margaret De Roucy
         |                 |                          |         /-----Ebles I Count Of Rheims And Roucy
         |                 |                           \-----Adele De Roucy
         |                 |                                    \-----Beatrix Of Hainault
         |         /-----Richard "Strongbow" De CLARE, Earl Of Pembroke
         |        |        |                                    /-----Thorold Seigeur Of Pont-Audemer
         |        |        |                           /-----Humphrey De Vieilles
         |        |        |                          |         \-----Aveline
         |        |        |                  /-----Roger De Beaumont
         |        |        |                 |         \-----Aubreye De La Haie
         |        |        |         /-----Sir Robert De Beaumont, Earl Of Leicester
         |        |        |        |        |                  /-----Hugo I Count Of Meulen
         |        |        |        |        |         /-----Waleran Count Of Meulan
         |        |        |        |        |        |         \-----Oda Of Valois
         |        |        |        |         \-----Adelise Of Meulan
         |        |        |        |                  \-----Ode
         |        |         \-----Elizabeth De BEAUMONT
         |        |                 |                           /-----Robert II The Pious King Of France
         |        |                 |                  /-----Henry I King Of France
         |        |                 |                 |         \-----Constance Of Provence
         |        |                 |         /-----Hugh Magnus Duke Of France
         |        |                 |        |        |         /-----Jaroslav I Grand Prince Of Kiev
         |        |                 |        |         \-----Anne Of Kiev
         |        |                 |        |                  \-----Ingegard
         |        |                  \-----Isabel De Vermandois, Countess Of Leicester
         |        |                          |                  /-----Eudes Count Of Vermandois
         |        |                          |         /-----Herbert IV Count Of Vermandois
         |        |                          |        |         \-----Parvie
         |        |                           \-----Adelaide De Vermandois, Countess Of Vermandois
         |        |                                   |         /-----Raoul III The Great Count Of Valois And Vexin
         |        |                                    \-----Adela De Valois
         |        |                                             \-----Adela
          \-----Isabel De CLARE, Countess Of Pembroke
                  |                                             /-----Donnchad Mael Na MBo Ui Cheinnselaig King Of Laigin & Leinste
                  |                                    /-----Diarmait MacMAEL Nam BO, King Of Hy Kinsale
                  |                                   |         \-----Aife
                  |                           /-----Murchad Mac DAIRMAIT, King Of Laigin And Leinste
                  |                          |        |         /-----Donnchad King Of Munster
                  |                          |         \-----Darbforgaill
                  |                  /-----Donnchad Mac MURCHAD, King Of Dublin, Laigin, Lei
                  |                 |        |                  /-----Brecc
                  |                 |        |         /-----Muirchertach MacBRICC, King Of Dessi
                  |                 |         \-----Sadb
                  |         /-----Dairmait Mac MURCHAD, King Of Leinster
                  |        |        |         /-----Gilla Michil Ua Braenain
                  |        |         \-----Orlaith
                  |        |                 |         /-----Caernachan Hui Garbita, King Of Ui Feilmeda
                  |        |                  \-----Iuchdelb
                   \-----Aoife Macmurchada Of Leinster
                           |                                    /-----Gillacaemghin Ua TUATHAIL
                           |                           /-----Doncuan Ua TUATHAIL
                           |                  /-----Gillacomghall Ua TUATHAIL
                           |                 |        |         /-----Mael Morda Ua Domnaill
                           |                 |         \-----Sadb Ingen Mael Morda Ua Domnaill
                           |         /-----Muirchertach Ua TUATHAIL, King Of Ui Muiredaig
                            \-----Mor Ua TUATHAIL
                                    |                           /-----Faelan Ua MORDA, King Of Loigsi
                                    |                  /-----Amargein Ua MORDA, King Of Loigsi
                                    |                 |         \-----Maelind
                                    |         /-----Loigsech Ua MORDA, King Of Leix
                                    |        |         \-----Gormlaith Ingen Mac Carrach Calma
                                     \-----Cacht Of Leix
                                             |                  /-----Dunlang Ua CHAELLUIDE
                                             |         /-----Find Ua CAELLUIDHE
                                             |        |         \-----Derbforgaill
                                              \-----Gormflaith



Descendants of William De CLARE
1. William De CLARE