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(historical) The son or male-line grandson of an emperor of the Austro-Hungarian Empire.
Bust of Archduke Leopold Wilhelm of Austria
(historical) The son or male-line grandson of an emperor of the Austro-Hungarian Empire.
The heir to the Austro-Hungarian throne, Archduke Franz Ferdinand (right) with his family. Ferdinand, along with his wife, was assassinated at Sarajevo in 1914, which sparked World War I