Eustache married Guillaume II de Gouët Abt 1075. Guillaume (son of Guillaume de Gouët and Mahaud d'Alluyes) was born Abt 1050; died Abt 1120. [Group Sheet]
Guillaume married Mabille d'Angleterre Abt 1125. Mabille (daughter of Henry I King of England and Concubine of England) was born Abt 1095. [Group Sheet]
Guillaume married Élisabeth de Champagne Abt 1152. Élisabeth (daughter of Thibaud de Blois and Mathilda von Sponheim) was born Abt 1130; died Aft 1180. [Group Sheet]
Mathilde married Hervé de Donzy Abt 1170. Hervé (son of Geoffroy de Donzy and Béatrice de Cosnes) was born Abt 1130; died Aft 1187. [Group Sheet]