William married Ermesinde de Lorraine before 1041. Ermesinde (daughter of Adalbert of Longwy, Duke of Lorraine and Clementia of Foix) died after 1058. [Group Sheet] [Family Chart]
Agnes married Peter I of Savoy de Maurienne, Count of Savoy in 1064. Peter (son of Otto I, Count of Savoy and Adelaide (Adelais, Adeline) of Susa, Marchioness of Turin) was born about 1048; died on 9 Jul 1078. [Group Sheet] [Family Chart]
Clementia married Conrad I of Luxemburg, Count of Luxemburg about 1075. Conrad (son of Gilbert (Giselbert) of Luxemburg, Count of Luxemburg) was born in 1040; died on 8 Aug 1086. [Group Sheet] [Family Chart]
Family/Spouse: Boniface del Vasto. Boniface (son of Otto, Marquis of Liguria and Bertha) and died. [Group Sheet] [Family Chart]
Family/Spouse: Unknown. [Group Sheet] [Family Chart]
Family/Spouse: Godfrey of Namur, Count of Namur. Godfrey (son of Albert III, Count of Namur and Ida (Isa) of Saxony) died on 19 Aug 1139. [Group Sheet] [Family Chart]
Family/Spouse: Laurette of Flanders de Lorraine. Laurette (daughter of Thierry (Theodoric) of Alsace de Lorraine, Count of Flanders and Swanhilde) died about 1170. [Group Sheet] [Family Chart]
Family/Spouse: Agnes. Agnes (daughter of Henry I, Count of Guelders and Agnes of Arnstein) and died. [Group Sheet] [Family Chart]
Family/Spouse: Baldwin IV of Mons, Count of Hainault. Baldwin (son of Baldwin III of Hainault, Count of Hainault and Yolande of Guelders (Yolande of Wassenberg)) was born in 1108; died on 8 Nov 1171. [Group Sheet] [Family Chart]
Family/Spouse: Ithier, Count of Rethel. Ithier (son of Odo of Vitry, Count of Rethel and Matilda, Countess of Rethel) and died. [Group Sheet] [Family Chart]