Mrs-Guillaume married Guillaume Iii, De Avesnes, [COUNT OF HAINAUNot Married. Guillaume (son of Jean Ii De Avesnes, [COUNT OF HOLLAN and Philippina (Philippa) Countess Luxembourg-Maas) was born about 1286 in Of, AVESNES, Pas-De-Calais, France; died on 7 Jun 1337 in , Valenciennes, Nord, France. [Group Sheet] [Family Chart]