William Frederick, Margrave of Brandenburg-Ansbach William Frederick, Margrave of Brandenburg-Ansbach William Frederick, Margrave of Brandenburg-Ansbach (8 January 1686 – 7 January 1723), was Margrave of the Principality of Brandenburg-Ansbach from 1703 until his death in 1723. He was the younger brother of Caroline of Ansbach and thus brother-in-law of George II of Great Britain. William Frederick was born in Ansbach in 1686 to John Frederick, Margrave of Brandenburg-Ansbach, and his second wife, Eleonore Erdmuthe of Saxe-Eisenach. His two surviving half-brothers, Margraves Christian Albert and George Frederick II, both died unmarried and without legitimate issue. He married his first cousin, Christiane Charlotte of Württemberg-Winnental. He died
George Frederick, Margrave of Brandenburg-Ansbach George Frederick, Margrave of Brandenburg-Ansbach George Frederick of Brandenburg-Ansbach (; 5 April 1539 in Ansbach – 25 April 1603) was Margrave of Ansbach and Bayreuth, as well as Regent of Prussia. He was the son of George, Margrave of Brandenburg-Ansbach and a member of the House of Hohenzollern. He married firstly, in 1559, Elisabeth of Brandenburg-Küstrin (29 August 1540 – 8 March 1578). He married secondly, in 1579, Sophie of Brunswick-Lüneburg (30 October 1563 – 1639), daughter of William of Brunswick-Lüneburg and Dorothea of Denmark. George Frederick reigned in his native Ansbach, Franconia and Jägerndorf, Upper Silesia since 1556 and,