Pierre married Marie de Straten Abt 1300, France. Marie (daughter of Richard de Straten and Marguerite de Varsenare) was born Abt 1275. [Group Sheet]
Marie married Jean de Ghistelles Aft Jun 1337, France. Jean (son of Jean de Ghistelles and Marguerite de Luxembourg) was born Abt 1290; died 26 Aug 1346, Bataille de Crécy-en-Ponthieu, Somme, Picardie, France; was buried , Église Notre-Dame de Ghistelles, Flandre-Occidentale, Belgique. [Group Sheet]
Roger married Marguerite de Dudzeele Abt 1357, France. [Group Sheet]
Isabelle married Arnould de Gavre Abt 1385, France. Arnould (son of Arnould de Gavre and Jeanne de Roy) was born Abt 1355; died 1 May 1418. [Group Sheet]