Catherine married Jean II de Ponthieu in 1320. Jean (son of Jean I de Ponthieu) was born in 1295; died on 16 Jan 1340. [Group Sheet] [Family Chart]
Robert married Jeanne Valois. [Group Sheet] [Family Chart]
Phiilip married Blanche de Bretagne. [Group Sheet] [Family Chart]
Robert married Amice Courtenay in 1262. Amice was born in 1250; died in 1275. [Group Sheet] [Family Chart]
Jean married Beatrice Plantagenet. Beatrice (daughter of Henry III of Winchester Plantagenet and Eleanor Of Provence Berenguer) was born on 25 Jun 1242 in Bordeaux, Gironde, Aquitaine, France; died on 24 Mar 1275 in London, England. [Group Sheet] [Family Chart]