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]
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]
Family/Spouse: Jeanne (Jehanne) de Mello, Lady of Lormes and Château-Chinon. Jeanne (daughter of Dreue IV de Mello, Seigneur de Lormes and Jehanne de Tocy) died in 1351. [Group Sheet] [Family Chart]
Family/Spouse: Johanna. Johanna (daughter of John I of Luxembourg, Lord of Ligny and Alix of Dampierre) and died. [Group Sheet] [Family Chart]
Mahaut married Guy I of Luxembourg, Count of Ligny, Count of Saint-Pol in 1354. Guy (son of John I of Luxembourg, Lord of Ligny and Alix of Dampierre) was born in 1340; died on 23 Aug 1371. [Group Sheet] [Family Chart]