ruler
John Adolphus, Duke of Schleswig-Holstein-Gottorp
duke of Holstein-Gottorp (1575-1616)
Also known as Johann Adolf of Holstein-Gottorp
Key facts
- ruler
- Duke of Schleswig, Duke of Holstein, prince elector of Lübeck
- Duke of Holstein-Gottorp
- February 27, 1575
- March 31, 1616
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