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 In 1717, her husband was expelled from court after a family row. Caroline came to be associated with Robert Walpole, an opposition politician who was a former government minister. Walpole rejoined the government in 1720, and Caroline's husband and King George I reconciled publicly, on Walpole's advice. Over the next few years, Walpole rose to become the leading minister. Caroline became queen and electress consort upon her husband's accession in 1727. Her eldest son, Frederick, became Prince of Wales. He was a focus for the opposition, like his father before him, and Caroline's relationship with him was strained. As princess