Guillem married Sibylia De Mataplane in 1129. Sibylia died in 1172. [Group Sheet] [Family Chart]
Guillem married Mathilde De Burgund in 1157. Mathilde (daughter of Hugues II Borel Capet De Burgund and Mathilde De Mayenne) died in 1172. [Group Sheet] [Family Chart]
Guillem married Eudokia Komnena De Byzancio in 1181. Eudokia (daughter of Alexios Komnenos De Byzancio and Maria Dukaina De Byzancio) died on 4 Nov 1202. [Group Sheet] [Family Chart]
Marie married Pedro II "El Catolico" De Aragon on 15 Jun 1204. Pedro (son of King Alfonso II De Aragon and Sancha De Castilla) was born in 1174; died in 1213. [Group Sheet] [Family Chart]