Princess Mary of Great Britain Princess Mary of Great Britain Princess Mary of Great Britain (5 March 1723 – 14 January 1772) was the second-youngest daughter of King George II of Great Britain and his wife Caroline of Ansbach, and Landgravine of Hesse-Kassel as the wife of Landgrave Frederick II. Princess Mary was born at Leicester House, Westminster, London. Her father was the Prince of Wales, later King George II. Her mother was Caroline of Ansbach, daughter of Johann Friedrich, Margrave of Brandenburg-Ansbach. Her father succeeded, as George II, on 11 June 1727, and she became "HRH The Princess Mary". Upon her death in 1737,
George, Margrave of Brandenburg-Ansbach he attended. He is one of the figures on the "Prussian Homage" painting by Jan Matejko. George went on to marry three times: First to Beatrice de Frangepan (1480 – c.1510); the marriage produced no children. George's second wife was Hedwig of Münsterberg-Oels (1508–1531), daughter of Charles I of Münsterberg-Oels; their marriage produced two daughters: His third wife was Emilie of Saxony (July 27, 1516 – March 9, 1591), daughter of Henry IV, Duke of Saxony and Catherine of Mecklenburg on August 25, 1533: George, Margrave of Brandenburg-Ansbach George of Brandenburg-Ansbach () (4 March 1484 – 27 December 1543), known