Mahaut married Évrard de Tournai Abt 1155. Évrard (son of Évrard II de Tournai and Richilde de Hainaut) was born Abt 1135; died 7 Mar 1190. [Group Sheet]
Richilde married Gilbert d'Oudenarde Abt 1180. Gilbert was born Abt 1155. [Group Sheet]
Richilde married Gauthier de Zooteghem Oct 1193. Gauthier was born Abt 1155; died 1212. [Group Sheet]
Arnold married Alix de Rosoy Abt 1220. Alix (daughter of Roger de Rosoy and Adélaïde d'Avesnes) was born Aft 1195; died Aft 1249. [Group Sheet]
Adélaïde married Sohier II d'Enghien 1219. Sohier (son of Enghelbert d'Enghien and Ide d'Avesnes) was born Abt 1200; died Abt 1256. [Group Sheet]
Jean married Alix de Nesle Abt 1253. Alix (daughter of Jean de Nesle and Marie de Chimay) was born Abt 1236; died 1253. [Group Sheet]
Gauthier married Marie de Réthel 1266. Marie (daughter of Manassès de Réthel and Isabelle d'Écry) was born Aft 1254; died Mar 1316. [Group Sheet]