Archduke Otto Franz was a member of the Austro-Hungarian royal family, born on July 20, 1865. He was the son of Archduke Franz Karl and Princess Sophie of Bavaria. Otto Franz held the title of Archduke of Austria and was known for his interest in military affairs and his involvement in the Austro-Hungarian Army. He was a prominent figure during a time of significant political change in Europe. Otto Franz's life was marked by the decline of the Austro-Hungarian Empire, which ultimately dissolved after World War I. He passed away on July 1, 1906, leaving behind a legacy tied to the history of the Habsburg dynasty.