Archduke Otto of Austria Austrian archduke (1865-1906) (1865–1906) Parents Princess Maria Annunziata of Bourbon-Two Sicilies Archduke Karl Ludwig of Austria Children Alfred Joseph Edler von Hortenau Archduke Maximilian Eugen of Austria Charles I of Austria Hilde Kuczor Siblings Archduke Franz Ferdinand of Austria Archduchess Maria Annunciata of Austria Archduke Ferdinand Karl of Austria Archduchess Margarete Sophie of Austria Archduchess Elisabeth Amalie of Austria Partners Marie Schleinzer Princess Maria Josepha of Saxony
