Hugh married Mary, Countess of Blois in 1226. Mary (daughter of Walter of Avesnes and Margaret, Countess of Blois) was born in 1200; died in 1241. [Group Sheet] [Family Chart]
Family/Spouse: Alix of Brittany, Dame de Pontarcy, Countess of Blois. Alix (daughter of John the Red of Brittany de Dreux, Duke of Brittany and Blanche of Navarre) was born on 6 Jun 1243 in Château de Suscinio in Sarzeau, Morbihan, Brittany; died on 2 Aug 1288; was buried in Monastery of La Guiche. [Group Sheet] [Family Chart]
Guy married Matilde de Brabant on 16 Jan 1255. Matilde (daughter of Henry II of Brabant, Duke of Brabant and Maria of Germany Hohenstaufens) was born in 1224; died on 29 Sep 1288. [Group Sheet] [Family Chart]
Joan married Peter I of Alencon, Count of Perche and Alençon in 1263. Peter (son of Louis IX (St. Louis) of France Capet, King of France and Marguerite of Provence Berenger) was born in 1251 in Holy Land; died on 6 Apr 1284 in Salerno, Italy. [Group Sheet] [Family Chart]
Family/Spouse: John de Brienne, Count of Eu. John (son of Alphonso of Brienne, Count of Eu and Marie de Lusignan, Countess of Eu) died on 12 Jun 1294 in Clermont-en-Beauvaisis; was buried in Foucarmont Abbey. [Group Sheet] [Family Chart]
Family/Spouse: Marie of Brittany, Countess of Saint-Pol. Marie (daughter of John II of Richmond de Dreux, Earl of Richmond and Beatrice Plantagenet, Duchess of Brittany) was born in 1268; died in 1339. [Group Sheet] [Family Chart]
Family/Spouse: Jehanne de Guines. Jehanne (daughter of Baudouin de Guines, Châtelain de Bourbourg and Catherine de Montmorency,) died in 1332 in Guerville, Eu; was buried in Foucarmont Abbey. [Group Sheet] [Family Chart]
Marie married Aymer de Valence, 10th Earl of Pembroke on 3 Jul 1321 in Paris, France. Aymer (son of William de Valence, Earl of Pembroke and Joan de Munchensy, Countess of Pembroke) was born about 1270; died on 23 Jun 1324 in France; was buried on 1 Aug 1324 in Westminster Abbey, London, England. [Group Sheet] [Family Chart]
Family/Spouse: Johanna of Fiennes de Fiennes. Johanna (daughter of Jean de Fiennes and Isabelle) and died. [Group Sheet] [Family Chart]