Il est marié avec Mahaud de la Vingne.
Ils se sont mariés le 14 juillet 1368.
JEAN DE DOUAI, flourished 1355-1393, inherited the chatelain de Douai in 1355, the land of Wasquehalparoisse, and the seigneurie ofWasquehal, which was held by his mother as her dower. Saddled with debts from his father, he had to sell off some of his rights, after 17 Oct. 1365 he was no longer called the lord of Wasquehal. He wed MARAUD DELE VINGNE, a wealthy damsel, marriage contract 14 July 1368.
Les données affichées n'ont aucune source.