Gisela von Luxemburg 1019 - 1059 (1019–1059) Parents Irmentrude van de Wetterau Frederick of Luxembourg Children Gilbert de Gant Boudewijn I van Gent Siblings Giselbert of Luxembourg Adalbero III of Luxembourg Frederick, Duke of Lower Lorraine Henry VII, Duke of Bavaria Hermann of Gleiberg Imiza of Luxembourg Partners Ralph van Ghent