Gerberga of Burgundy Duchess of Swabia (0965–1016) Parents Matilda of France Conrad I of Burgundy Children Bernard I of Werl Beatrix of Swabia Rudolf von Werl Matilda of Swabia Herman III of Swabia Gisela of Swabia Herman II of Werl William IV Siblings Bertha of Burgundy Rudolph III of Burgundy Burchard II of Lyon Gisela of Burgundy Mathilde de Bourgogne Partners Herman II, Duke of Swabia Herman I of Werl