Welf III, Count of Altdorf Frankish noble (0940–1030) Parents Itha of Öhningen Rudolf II, Count of Altdorf Children Itha Gräfin von Kilchberg Kunigunde of Altdorf Welf, Duke of Carinthia Siblings Richlind of Altdorf Kuno I Graf von Altdorf Heinrich Graf von Altdorf Partners Imiza of Luxembourg
