Guillaume married Jacqueline d'Auvrecher Abt 1410. Jacqueline was born Abt 1390; died 13 Apr 1440. [Group Sheet]
Jacqueline married Robert de Flocques Abt 1430. Robert was born Abt 1405. [Group Sheet]
Jeanne married Gilles de Rouvroy Abt 1450. Gilles (son of Mathieu II de Rouvroy and Jeanne de Haverskerque) was born Abt 1410; died 1477, Senlis, év. Beauvais, Île-de-France (Oise), France; was buried 1477, Cathédrale de Senlis (chapelle du grand-bailly), Île-de-France (Oise), France. [Group Sheet]
Guillaume married Marie de La Vacquerie Bef 1494. Marie (daughter of Jean de La Vacquerie and Marie Fremault) was born Abt 1470; died Aft 1531. [Group Sheet]