Isaac married Mahaud de Rumigny Abt 1135. Mahaud (daughter of Nicolas II de Rumigny and Alix de Hainaut) was born Abt 1115. [Group Sheet]
Nicolas married Yolande de Saint-Aubert Abt 1175. Yolande (daughter of Gérard de Saint-Aubert and Berthe de Bouchain) was born Abt 1150. [Group Sheet]
Gilles married Élisabeth de Merbes Abt 1215. Élisabeth was born Abt 1190. [Group Sheet]
Nicolas married Isabeau de Nesle 1244. Isabeau (daughter of Raoul de Nesle and Ade de Grandpré) was born Abt 1225. [Group Sheet]