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 Elector of Hanover. She was renowned for her intelligence and strong character, and her uncensored and liberal court attracted a great many scholars, including philosopher Gottfried Leibniz. Caroline was exposed to a lively intellectual environment quite different from anything she had experienced previously. Before she began her education under Sophia Charlotte's care, Caroline had received little formal education; her handwriting remained poor throughout her life. With her lively mind, Caroline developed into a scholar of considerable ability. She and Sophia Charlotte developed a strong relationship in which Caroline was treated as a surrogate daughter; the queen once declared Berlin was