Charles Alexander, Margrave of Brandenburg-Ansbach Charles Alexander, Margrave of Brandenburg-Ansbach Christian Frederick Charles Alexander (; 24 February 1736 – 5 January 1806) was the last Margrave of the two Franconian principalities, Brandenburg-Ansbach and Brandenburg-Bayreuth, which he sold to the King of Prussia, a fellow member of the House of Hohenzollern. His parents were Charles William Frederick, Margrave of Brandenburg-Ansbach, and Friederike Luise of Prussia, daughter of King Frederick William I of Prussia, sister of Frederick II of Prussia, a granddaughter of the British King George I and niece of the reigning British King George II (who would die aged 77 and leave his grandson, Charles's
Principality of Ansbach reunited under Frederick VI, who had become Elector Frederick I of Brandenburg in 1415. Upon Frederick I's death on 21 September 1440, his territories were divided between his sons; John received the principality of Bayreuth (Brandenburg-Kulmbach), Frederick received Brandenburg, and Albert received Ansbach. Thereafter Ansbach was held by cadet branches of the House of Hohenzollern, and its rulers were commonly called Margraves of Brandenburg-Ansbach. On 2 December 1791, the reigning Prince and Margrave of Ansbach, Charles Alexander, who had also succeeded to Bayreuth, sold the sovereignty of his principalities to King Frederick William II of Prussia. The Margrave was middle-aged