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
Caroline of Ansbach Sea from The Hague to Margate was the only sea voyage she took in her life. Their young son, Prince Frederick, remained in Hanover for the rest of George I's reign to be brought up by private tutors. On the accession of George I in 1714, Caroline's husband automatically became Duke of Cornwall and Duke of Rothesay. Shortly afterwards, he was invested as Prince of Wales, whereupon she became Princess of Wales. Caroline was the first woman to receive the title at the same time as her husband received his. She was the first Princess of Wales for over two