Gertrud die Ältere von Braunschweig 1100-1077 (1100–1077) Parents Heilwig of Dabo Hugh IV, count of Nordgau Children N.N. of Brunswick Egbert I, Margrave of Meissen Ida von Elsdorf Bruno II Matilda of Frisia Agatha, wife of Edward the Exile Siblings Mathilde of Eguisheim Hugh VII of Egisheim Leo IX Gepa of Egisheim Gerhard, count of Egisheim Adelheid of Eguisheim Partners Liudolf, Margrave of Frisia