Joachim Frederick, Elector of Brandenburg

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Joachim Friedrich (Cölln, 27 January 154618 July 1608) of the Hohenzollern dynasty succeeded his father John George as margrave and elector of Brandenburg in 1598, and was in turn succeeded at his death by his son John Sigismund. His mother was Sophie, Princess of Legnica. From 1566 to 1598 he was administrator of the Archbishopric of Magdeburg.

His first marriage in 1570 was to Catherine, Princess of Brandenburg-Küstrin, daughter of John I, Margrave of Brandenburg-Küstrin, and Catherine, Duchess of Brunswick-Wolfenbüttel.

Joachim Frederick's second marriage, in 1603, was to Eleonore of Hohenzollern, born 1583, daughter of Albert Frederick, Duke of Prussia and Mary Eleonore of Cleves. He became regent of the Duchy of Prussia in 1605, because Albert Frederick was mentally ill.

Children of Joachim Frederick and Catherine, Princess of Brandenburg-Küstrin:

Child of Joachim Frederick and Eleonore of Hohenzollern:

House of Hohenzollern
Born: 27 January 1546
Died: 18 July 1608
Preceded by
John George
Elector of Brandenburg
1598-1608
Succeeded by
John Sigismund