Joachim Ernst, Margrave of Brandenburg-Ansbach was a German nobleman.
Background
Joachim Ernst was the son of the elector John George of Brandenburg and his third wife, Elisabeth of Anhalt-Zerbst.
Career
Youth He took over in 1603, the government of the Margraviate of Brandenburg-Ansbach, after the old line of Franconian Hohenzollerns died out with the death of George Fredrick the Elder of the Ansbach-Jägerndorf branch. Joachim Ernst founded the younger branch of Ansbach line of the Franconian Hohenzollerns. Succession rules His predecessor, George Frederick had settled the succession of his two Franconian possessions (Brandenburg-Ansbach and Brandenburg-Kulmbach) in the House Treaty of Gera of 1598.
The Union was, however, dissolved again in 1621, after the outbreak of the Thirty Years" War, in view of the military superiority of the imperial camp.
