Johann Sigismund
John or Johann Sigismund Hohenzollern (1572-1619) succeeded his father Joachim Friedrich as margrave of Brandenburg and duke of Ducal Prussia in 1608. He became in addition duke of Cleve in 1614, holding all three titles until his death. His son and successor was Georg Wilhelm, born in 1595. His daughter Maria Eleonora of Brandenburg was married to Gustavus Adolphus of Sweden. Maria thus became queen of Sweden and their daughter Christina of Sweden succeeded Gustav Adolph upon his death in battle in 1632.
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