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
Sabina of Brandenburg-Ansbach Sabina of Brandenburg-Ansbach Sabina of Brandenburg-Ansbach (12 May 1529 – 2 November 1575) was a princess of Brandenburg-Ansbach and Electress of Brandenburg by marriage. Sabina was the daughter of George, Margrave of Brandenburg-Ansbach (1484–1543) from his second marriage to Hedwig of Münsterberg-Oels (1508–1531), daughter of the Duke Charles I of Münsterberg-Oels. The princess was brought up by her stepmother Emilie of Saxony in the Lutheran faith. On 12 February 1548 Sabina married Elector John George of Brandenburg (1525–1598) in Ansbach. His first wife Sophie of Legnica was Sabina's cousin. The day before the wedding ceremony, she solemnly renounced her possible