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,
Caroline of Ansbach any embarrassing scenes nor did she take lovers. She preferred her husband's mistresses to be ladies-in-waiting, as that way she believed she could keep a closer eye on them. The succession of her husband's family to the British throne was still insecure, as Queen Anne's half-brother James Stuart contested the Hanoverian claim, and Queen Anne and Caroline's grandmother-in-law Dowager Electress Sophia had fallen out. Anne refused permission for any of the Hanoverians to visit Britain in her lifetime. Caroline wrote to Leibniz, "I accept the comparison which you draw, though all too flattering, between me and Queen Elizabeth as a