Joachim Frederick, Elector of Brandenburg

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Joachim Frederick, Elector of Brandenburg
Joachim Frederick, Elector of Brandenburg

Joachim Frederick (German: Joachim Friedrich; 27 January 154618 July 1608) was a Prince-elector of the Margraviate of Brandenburg from the House of Hohenzollern.

Joachim Frederick was born in Cölln to John George, Elector of Brandenburg, and Sophie, Princess of Liegnitz. He succeeded his father in 1598, and he was administrator of the Archbishopric of Magdeburg from 1566-98. Joachim Frederick was succeeded at his death by his son John Sigismund.

Joachim Frederick's first marriage on 8 January 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, on 23 October 1603, was to Eleonore of Hohenzollern, born 12 August 1583, daughter of Albert Frederick 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:

Joachim Frederick, Elector of Brandenburg
Born: 27 January 1546 Died: 18 July 1608
Regnal titles
Preceded by
John George
Elector of Brandenburg
1598-1608
Succeeded by
John Sigismund