Johann Friedrich, Margrave of Brandenburg-Ansbach (October 18, 1654 - March 22, 1686), succeeded his father Albrecht V as margrave in 1667. He married his second wife Eleanor Erdmuthe Louise of Saxe-Eisenach on November 4, 1681. Their daughter Wilhelmine Charlotte Caroline, Markgravine of Brandenburg-Ansbach (Caroline of Ansbach) married George II of Great Britain before he became king.