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 early Georgian era from utter grossness." Although modern historians tend to believe that Hervey, Wilkins and Arkell have overestimated her importance, it is nevertheless probable that Caroline of Ansbach was one of the most influential consorts in British history. Caroline County in the British Colony of Virginia was named in her honour when it was formed in 1727. The royal coat of arms of the United Kingdom are impaled with those of her father, John Frederick, Margrave of Brandenburg-Ansbach. The arms of her father were quarterly of fifteen, 1st, per fess gules and argent, within a bordure counter-changed of the