Ulrich XII, Count of Helfenstein German count at Wiesensteig-Wellerheim (1524–1570) Parents Ulrich XI, Count of Helfenstein Katharina of Waldburg-Sonnenberg Children Siblings Barbara of Helfenstein-Wiesensteig George II, Count of Helfenstein Catherine of Helfenstein-Wiesensteig Sebastian, Count of Helfenstein