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 II, Margrave of Brandenburg-Ansbach He was killed at the Battle of Kittensee in 1703, and as he was unmarried, Ansbach passed to his younger half-brother William Frederick. George Frederick II, Margrave of Brandenburg-Ansbach George Frederick II, Margrave of Brandenburg-Ansbach (3 May 1678 – 29 March 1703), known as George Frederick the Younger, the third son of John Frederick, Margrave of Brandenburg-Ansbach by his first wife the Margravine Joanna Elisabeth of Baden-Durlach (and thus a half-brother of Queen Caroline of Great Britain), succeeded his elder brother as Margrave of Ansbach in 1692. In the War of the Palatinian Succession he fought from 1695 to 1697