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.
Albert Spencer, 7th Earl Spencer Albert Edward John Spencer, 7th Earl Spencer {'1': ", '2': ", '3': ", '4': "} , (23 May 1892 – 9 June 1975), styled The Honourable Albert Spencer until 1910 and as Viscount Althorp from 1910 to 1922, and known less formally as "Jack" Spencer, was a British peer. He was the paternal grandfather of Diana Spencer, who was just under 14 years old at the time of his death. Diana would go on to marry Charles, Prince of Wales, heir to the British throne, six years later.