Family/Spouse: Gerberga. Gerberga (daughter of Eustace I of Boulogne, Count of Boulogne and Matilda of Leuven, Countess Consort of Boulogne) died about 1049. [Group Sheet] [Family Chart]
Frederick married Ida (Isa) of Saxony in 1055. Ida (daughter of Bernhard II, Duke of Saxony and Elika von Schweinfurt) died in 1102. [Group Sheet] [Family Chart]
Family/Spouse: Waleran (Udon), Count of Arlon. Waleran (son of Waleran, Count of Arlon) died in 1082. [Group Sheet] [Family Chart]
Family/Spouse: Adelaide of Pottenstein. Adelaide (daughter of Botho of Pottenstein and Judith of Schweinfurt) was born in 1061; died in 1106. [Group Sheet] [Family Chart]
Waleran married Jutta of Wassenberg between 1107 and 1110. Jutta (daughter of Gerard I, Graf of Wassenberg, Count of Guelders and Daughter) was born about 1087; died in 1151. [Group Sheet] [Family Chart]
Adelaide married Conrad I, Duke of Merania before 1140. Conrad (son of Conrad I of Dachau and Willibirg) died on 18 Feb 1159 in Bergamo; was buried in Scheyern. [Group Sheet] [Family Chart]