Ulrich XI, Count of Helfenstein German count at Wiesensteig (1486–1548) Parents Elisabeth von Limpurg-Speckfeld Louis IV, Count of Helfenstein Children George II, Count of Helfenstein Ulrich XII, Count of Helfenstein Barbara of Helfenstein-Wiesensteig Sebastian, Count of Helfenstein Catherine of Helfenstein-Wiesensteig Siblings Louis Helferich, Count of Helfenstein Agnes von Helfenstein Dorothea of Helfenstein-Blaubeuren Partners Katharina of Waldburg-Sonnenberg