Jean married Jeanne de Picquigny Abt 1335. Jeanne (daughter of Jean II de Picquigny and Marthe d'Amiens) was born Abt 1310; died Aft 1373. [Group Sheet]
Marguerite married Gérard de Ghistelles Bef 1365. Gérard (son of Jean de Ghistelles and Jeanne de Dixmude) was born Aft 1334; died 1387. [Group Sheet]
Jacqueline married Jean de Hallwin 21 Dec 1415. Jean (son of Wautier de Hallwin and Perrone de Saint-Omer) died 21 Nov 1440. [Group Sheet]
Wautier married Jacqueline de Wisch Abt 1435. (daughter of Martin van Wisch and Lievène van Capelle) [Group Sheet]