Mathilde married Otton de Trazeignies Abt 1170. Otton (son of Gilles de Trazeignies and Gerberge de Landen) was born Abt 1143; died 1192. [Group Sheet]
Élisabeth married Enghelbert d'Enghien Abt 1185. Enghelbert (son of Hugues d'Enghien and Hedwidge de Bentheim) was born Abt 1150; died Abt 1205. [Group Sheet]
Enghelbert married Ide d'Avesnes Abt 1200. Ide (daughter of Jacques d'Avesnes and Adèle de Guise) was born Abt 1178; died Sep 1216. [Group Sheet]
Sohier married Adélaïde de Zooteghem 1219. Adélaïde (daughter of Gauthier de Zooteghem and Richilde de Tournai) was born Abt 1200. [Group Sheet]
Enghelbert — Juliane de Mons. [Group Sheet]
Adeline married Wauthier de Mechelen Abt 1220. Wauthier (son of Wauthier de Mechelen and Sophie de Looz) was born Abt 1190; died 10 Apr 1243. [Group Sheet]