Family/Spouse: Hawise de Clare. Hawise (daughter of Earl Hertford Gilbert FitzRichard de Clare and Adeliza (Alice) de Clermont) was born about 1089 in Clare, Suffolk, England. [Group Sheet] [Family Chart]
William married Agnes de Grandmesnil. Agnes was born about 1070 in Grentemesnil, Calvados, Normandy, France. [Group Sheet] [Family Chart]