Jean married Pétronille d'Avesnes Abt 1150. Pétronille (daughter of Gauthier d'Avesnes and Ide de Tournai) was born Abt 1125. [Group Sheet]
Jean married Mabille de Guînes Abt 1190. Mabille (daughter of Baudouin II de Guînes and Christine d'Ardres) was born Abt 1165. [Group Sheet]
Jean — . Unknown [Group Sheet]
Catherine — Gérard de Schelderode. Gérard died 1284. [Group Sheet]
Marie married Hugues d'Antoing Abt 1250. Hugues was born Abt 1195; died Abt 1261. [Group Sheet]