William Frederick, Margrave of Brandenburg-Ansbach in Unterreichenbach and was succeeded by his son Charles William Frederick, called "The Wild Margrave". 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
Sophie of Brandenburg-Ansbach-Kulmbach Sophie of Brandenburg-Ansbach-Kulmbach Sophie of Brandenburg-Ansbach-Kulmbach (10 March 1485, Ansbach – 24 May 1537, Liegnitz (Legnica)) was a princess of Brandenburg-Ansbach and was by marriage Duchess of Legnica. Sophie was a daughter of the Margrave Frederick the Elder of Brandenburg-Ansbach and Bayreuth (1460–1536) from his marriage to Sophia of Poland ( 1464–1512), daughter of King Casimir IV of Poland. She married on 24 November 1518 the Duke Frederick II of Legnica in Silesia (1480–1547). He had built Piast Castle in Legnica in the early 16th Century, the Renaissance main entrance portal is decorated with busts of Sophie and Frederick, The