archduke

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archduke

a chief duke, esp (since 1453) a prince of the Austrian imperial dynasty

Archduke

 

(Erzherzog), in Austria and later in Austria-Hungary, a title held by princes of the royal house of Hapsburg, officially conferred in 1453. It stems from a privilege extended to Austrian dukes in the 12th century, by which they were granted rights equal to those of electors, who were also called Erzkurfürsten.