Irmentrude van de Wetterau 972-1015 (0972–1015) Parents Irmintrud Herbert of Wetterau Children Gisela von Luxemburg Imiza of Luxembourg Henry VII, Duke of Bavaria Giselbert of Luxembourg Adalbero III of Luxembourg Frederick, Duke of Lower Lorraine Hermann of Gleiberg Siblings Gerberga Otto of Hammerstein Partners Frederick of Luxembourg