William married Countess of the Vexin Alys Capet on 20 Aug 1195. Alys (daughter of King of France Louis VII "The Younger" Capet and Constance Burgundy) was born on 4 Oct 1160; died about 1220. [Group Sheet] [Family Chart]
John married Beatrice de St. Pol in 1174 in France. Beatrice was born about 1158 in of Saint Pol, Normandy, France. [Group Sheet] [Family Chart]
Guy married Ida de St. Pol about 1145 in Ponthieu, France. Ida (daughter of Hugues IV St. Pol and Beatrix) was born about 1126 in St. Pol, Artois, Pas-de-Calais, France. [Group Sheet] [Family Chart]
III married Helie de Bourgogne in 1115. Helie (daughter of Odo (Eudes) Borel, Duke of Burgundy I and Sibylla de Bourgogne, daughter of Duke of Burgundy Eudes I "The Red" Borel de Bourgogne and Sibylla Burgundy) was born about 1080 in Bourgogne, France; died on 28 Feb 1141. [Group Sheet] [Family Chart]
Hugues married Beatrix about 1126 in Artois, Pas-de-Calais, France. Beatrix was born in 1104 in France. [Group Sheet] [Family Chart]