Gisela of Brunswick German aristocrat, born circa 1005 (b. 1005) Parents Brun I, Count of Brunswick Gisela of Swabia Children Cäcilie von Sangerhausen Siblings Liudolf, Margrave of Frisia NN von Braunschweig Ernest II Beatrix Salian Herman IV, Duke of Swabia Matilda of Franconia Henry III Partners Berthold von Sangerhausen