William de Valence, 1st Earl of Pembroke English Earl (d. 1296) Parents Isabella of Angoulême Hugh X of Lusignan Children John de Valence Joan de Valence Aymer de Valence, 2nd Earl of Pembroke Margaret de Valence William de Valence Agnes de Valence Isabel (2) ferch William de Valence Isabel de Valence Siblings Henry III of England Hugh XI of Lusignan Richard of Cornwall Isabella of England Aymer de Lusignan Isabella of Lusignan Guy de Lusignan Eleanor of Leicester Joan of England Alice de Lusignan, Countess of Surrey Agatha le Brun Margaret of Lusignan Geoffrey I of Lusignan (Lord of Jarnac) Partners Joan de Munchensi
