Archduke István of Austria Austrian Imperial and Royal (1934-2011) (1934–2011) Parents Princess Anna of Saxony Archduke Joseph Francis of Austria Children Christina Maria Elisabeth Gräfin von Habsburg-Lothringen Leonhard Stefan Antonius Graf von Habsburg-Lothringen Siblings Archduchess Ilona of Austria Archduchess Maria Kynga of Austria Archduke Joseph Árpád of Austria Archduchess Margarethe, Princess of Monteleone Archduchess Anna-Theresia of Austria Archduke Géza of Austria Archduke Michael of Austria Partners Maria Anderl