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
Charles Alexander, Margrave of Brandenburg-Ansbach of Schwarzburg-Rudolstadt. On 3 August 1757, Charles Alexander became the Margrave of Brandenburg-Ansbach. The "Residenz" of the principality was at Ansbach, but Charles Alexander preferred his hunting estate and country seat in Triesdorf. Here, he renovated the "White Castle" for his mistress Hippolyte Clairon, the "Red Castle" for himself, and built the "Villa Sandrina" for another mistress, "Fräulein Kurz", and the "Round Villa" ("Villa Rotunda") for his mistress (and later wife) Elizabeth Craven. In 1758, Charles Alexander founded the porcelain factory in Ansbach and made ventures into agriculture by importing sheep. In 1769, he acquired the principality of Bayreuth pursuant