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 Ansbach actions. Caroline had absorbed the liberal opinions of her mentor, Queen Sophia Charlotte of Prussia, and supported clemency for the Jacobites (supporters of the rival Stuart claim to the throne), freedom of the press, and freedom of speech in Parliament. Over the next few years, she and her husband fought a constant battle against their eldest son, Frederick, Prince of Wales, who had been left behind in Germany when they came to England. He joined the family in 1728, by which time he was an adult, had mistresses and debts, and was fond of gambling and practical jokes. He opposed