Archduchess Margarethe, Princess of Monteleone Austrian Imperial and Royal (1925-1979) (1925–1979) Parents Princess Anna of Saxony Archduke Joseph Francis of Austria Children Sibylla Erba-Odescalchi, Principesa di Monteleone Siblings Archduchess Anna-Theresia of Austria Archduchess Ilona of Austria Archduchess Maria Kynga of Austria Archduke István of Austria Archduke Joseph Árpád of Austria Archduke Michael of Austria Archduke Géza of Austria Partners Alexander Erba-Odescalchi