Jean married Beatrix Plantagenet Of England in 1260. Beatrix (daughter of King Henry III Plantagenet and Eleanor De Provence) was born in 1242; died in 1277. [Group Sheet] [Family Chart]
Marie married Guy III De Saint-Pol on 12 Jul 1292. Guy (son of Guy II De Saint-Pol and Mathilde De Brabant) died in 1317. [Group Sheet] [Family Chart]
Family/Spouse: Jeanne De Fiennes. Jeanne (daughter of Jean De Guines and Jeanne De Chantilly) died in 1353. [Group Sheet] [Family Chart]
Mathilde married Count Charles De Valois in 1308. Charles (son of King Philip III Of France and Princess Isabel Of Aragon) was born on 12 Mar 1270 in Fontainebleau, Seine-Et-Marne, France; died on 16 Dec 1325. [Group Sheet] [Family Chart]
Mahaut married Guy Of Luxemburg in 1350. Guy (son of Jean I Of Luxemburg and Alix De Flandern-Dampierre) died on 22 Aug 1371. [Group Sheet] [Family Chart]
Isabelle married Pierre I Capet De Bourbon in 1337. Pierre (son of Louis I "Le Boiteux" Capet De Bourbon and Marie De Hainault) died in 1356. [Group Sheet] [Family Chart]