Joachim Frederick

Joachim Frederick (born January 1, 1546, Kölln an der Spree, Brandenburg [Germany]—died July 28, 1608, en route from Storkow to Rüdersdorf) was the elector of Brandenburg (1598–1608), the eldest son of Elector John George. Joachim established the rule of primogeniture for the Hohenzollern electorate by a family agreement known as the Gera Bond (1598), which confirmed the practice begun by Albert III Achilles whereby Brandenburg formed the inheritance of the elector’s eldest son. By the...