William de Valence, 1st Earl of Pembroke

William de Valence
Earl of Pembroke
Heraldic shield of de Valence from his tomb in Westminster Abbey. Champlevee enamel with Diapering: Barry of argent and azure, an orle of martlets gules
Native nameGuillaume de Lusignan
Bornc. 1227
Died13 June 1296
BuriedWestminster Abbey
WifeJoan de Munchensi
Issue6
FatherHugh X of Lusignan
MotherIsabella of Angoulême
 

William de Valence (died 13 June 1296), born Guillaume de Lusignan, was a French nobleman and knight who became important in English politics due to his relationship to King Henry III of England. He was heavily involved in the Second Barons' War, supporting the king and Prince Edward against the rebels led by Simon de Montfort. He took the name de Valence ("of Valence") after his birthplace, the Cistercian abbey of Valence, near Lusignan in Poitou.[1]

  1. ^ Chisholm 1911, p. 78.

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