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
Caroline of Brunswick Caroline of Brunswick Caroline of Brunswick (Caroline Amelia Elizabeth; 17 May 1768 – 7 August 1821) was Queen consort of the United Kingdom as the wife of King George IV from 29 January 1820 until her death in 1821. She was the Princess of Wales from 1795 to 1820. Her father, Charles William Ferdinand, was the ruler of Brunswick-Wolfenbüttel in Germany, and her mother, Augusta, was the sister of the British king George III. In 1794, she was engaged to her first cousin and George III's eldest son, George, despite the two of them never having met and George already