Ide married Guillaume de Saint-Omer 1171. Guillaume (son of Guillaume de Saint-Omer) was born 1145; died 1191. [Group Sheet]
Marguerite married Baudouin de Créquy Abt 1200. Baudouin (son of Baudouin II de Créquy and Clémence d'Aire) was born Abt 1170; died Aft 1237. [Group Sheet]
Philippe married Alix de Picquigny 1224. Alix (daughter of Enguerrand de Picquigny and Marguerite de Ponthieu) was born Abt 1205; died 1268, Mantes, Yvelines, ÃŽle-de-France (Seine), France. [Group Sheet]
Baudouin married Aélis de Heilly Abt 1260. Aélis (daughter of Gauthier de Heilly and Jeanne de Picquigny) was born Abt 1246. [Group Sheet]