Joachim Frederick, Elector of Brandenburg

Joachim Frederick (27 January 1546 – 18 July 1608), of the House of Hohenzollern, was Prince-elector of the Margraviate of Brandenburg from 1598 until his death.

Joachim Frederick
Joachim Frederick, Elector of Brandenburg: portrait by Johann Bussemacher
Elector of Brandenburg
Reign8 January 1598 – 18 July 1608
PredecessorJohn George
SuccessorJohn Sigismund
Born(1546-01-27)27 January 1546
Cölln, Margraviate of Brandenburg
Died18 July 1608(1608-07-18) (aged 62)
Cöpenick, Margraviate of Brandenburg
SpouseCatherine of Brandenburg-Küstrin
Eleanor of Prussia
IssueJohn Sigismund, Elector of Brandenburg
Anne Catherine of Brandenburg
Johann Georg von Brandenburg
August of Brandenburg
Albert Frederick of Brandenburg
Joachim von Brandenburg
Ernest of Brandenburg
Barbara Sophie of Brandenburg
Christian William of Brandenburg
Marie Eleonore of Brandenburg
FatherJohn George, Elector of Brandenburg
MotherSophie of Legnica


Joachim Frederick was born in Cölln to John George, Elector of Brandenburg, and Sophie of Legnica. He served as administrator of the Archbishopric of Magdeburg from 1566 to 1598, then succeeded his father as Elector of Brandenburg in 1598. Joachim Frederick was succeeded at his death by his son John Sigismund. Joachim Frederick's first marriage on 7 March 1570 was to Catherine of Brandenburg-Küstrin, daughter of John, Margrave of Brandenburg-Küstrin, and Catherine of Brunswick-Wolfenbüttel. Joachim Frederick's second marriage, on 23 October 1603, was to Eleanor of Prussia, born 21 August 1583, daughter of Albert Frederick and Marie Eleonore of Cleves. He became regent of the Duchy of Prussia in 1605. His titles also included "duke (Dux) of Stettin, Pomerania, Cassubia, Vandalorum and Crossen", according to the terms of the Treaty of Grimnitz, although the Pomeranian titles were only nominal.

Joachim Frederick and Catherine of Brandenburg-Küstrin had these children:

Joachim Frederick and Eleanor of Prussia had only one child:


Joachim-Friedrich Strasse street sign, Berlin

Joachim-Friedrich Strasse in Berlin is named after him. [1]


Joachim Frederick, Elector of Brandenburg
Born: 27 January 1546 Died: 18 July 1608
Regnal titles
Preceded by Elector of Brandenburg
Succeeded by
Preceded by Administrator of Magdeburg
Succeeded by


  1. ^ "Joachim-Friedrich-Straße Straßen Berlin Kurfürstendamm". Retrieved 2018-10-21.