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.
Douglas Warren Douglas (Duke) Warren, (May 28, 1922 – August 27, 2011) was a Canadian air force pilot and commander. He shared the nickname "Duke" with his identical twin brother, Bruce (Duke) Warren, who died in 1951. Douglas was known for participating as a pilot in the Dieppe Raid in World War II, and won the Distinguished Flying Cross in 1945. Doug's memoirs, titled "Gemini Flight" chronicled his and his brother's flying experiences.