Guillaume de Valence
- Born circa 1260
- Deceased on February 16, 1282, at the approximate age of 21 years
Parents
- Guillaume de Lusignan, alias Guillaume Ier de Valence (c. 1227 - 1296), chevalier, Earl of Pembroke, participant à la neuvième croisade
- Joan de Munchensy (c. 1222 - ), Countess of Pembroke
