Siegfried of Luxembourg First Count of Luxembourg (0919–0998) Parents Cunigunda of France Wigeric of Lotharingia Children Adalbero von Luxemburg Frederick of Luxembourg Lutgardis of Luxemburg Giselbert Henry V, Duke of Bavaria Cunigunde of Luxembourg Theodoric II of Luxemburg Ogive of Luxembourg Eva von Luxemburg Siblings Liutgarde of Bidgau Adabero I of Ardenne Giselbert Gozlin, Count of Bidgau Frederick I, Duke of Upper Lorraine Sigebert Mathilde von Lothringen Partners Hedwig of Nordgau