Eustache married Robert II de Wavrin 1227. Robert (son of Hellin de Wavrin and Élisabeth Félicité de Montmirail) was born Abt 1215; died 1273. [Group Sheet]
Sibylle married Hugues d'Antoing Bef 1260. Hugues (son of Hugues d'Antoing and Philippa de Harnes) was born Abt 1230; died 1310. [Group Sheet]
Hugues married Isabeau d'Haupoulain Abt 1270. Isabeau died Aft 1285. [Group Sheet]
Hugues married Marie de Sottengheim Abt 1300. Marie was born Abt 1280. [Group Sheet]