Liudolf, Margrave of Frisia Margrave of Frisia, Count of Brunswick (1016–1038) Parents Gisela of Swabia Brun I, Count of Brunswick Children Matilda of Frisia Bruno II Egbert I, Margrave of Meissen N.N. of Brunswick Agatha, wife of Edward the Exile Ida von Elsdorf Siblings Henry III Matilda of Franconia Gisela of Brunswick Herman IV, Duke of Swabia Ernest II Beatrix Salian NN von Braunschweig Partners Gertrud die Ältere von Braunschweig