Charles Frederick, Duke of Holstein-Gottorp

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• The Peerage
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• Duke of Schleswig 1702–1713

condominial rule with his father's paternal cousin Frederick IV of Denmark and Norway, until the latter deposed Charles Frederick as Duke of Schleswig in 1713 (with legal effect as of 1720) under guardianship due to minority

Predecessor: Frederick IV of Holstein-Gottorp and his cousin Frederick IV of Denmark and Norway (in condominial rule) Successor: Frederick IV of Denmark and Norway (continued as the sole duke of Schleswig)

• Duke of Holstein 1702–1739

condominial rule with his father's paternal cousin Frederick IV of Denmark and Norway (till 1730) and thereafter with the latter's son Christian VI until 1718 under guardianship due to minority

Predecessor: Frederick IV of Holstein-Gottorp and his cousin Frederick IV of Denmark and Norway (in condominial rule) Successor: Charles Peter Ulrich and Christian VI of Denmark and Norway (in condominial rule)

http://de.wikipedia.org/wiki/Karl_Friedrich_(Schleswig-Holstein-Gottorf)