The British  socialite and artist Rosemary Pratt married this Royal Air Force officer, flying ace, courtier and author who served as what to King George VI?
Rosemary Pratt, Marchioness Camden Rosemary Pratt, Marchioness Camden (9 May 1921 – 27 February 2004), born Cecil Rosemary Pawle, was a British socialite and artist, best known as the first wife of Group Captain Peter Townsend, who later became romantically involved with Princess Margaret of the United Kingdom.
Andrew Cavendish, 11th Duke of Devonshire Andrew Robert Buxton Cavendish, 11th Duke of Devonshire, {'1': ", '2': ", '3': ", '4': "} (2 January 1920 – 3 May 2004), styled Lord Andrew Cavendish until 1944 and Marquess of Hartington from 1944 to 1950, was a British Conservative and later Social Democratic Party politician. He was a minister in the government of Prime Minister Harold Macmillan (his uncle by marriage), but is best known for opening Chatsworth House to the public.