Which of the Mitford sisters married Oswald Mosley and became a fascist?
Diana Mitford Diana Mitford Diana, the Hon. Lady Mosley (17 June 191011 August 2003), born Diana Freeman-Mitford and usually known as Diana Mitford, was one of Britain's noted Mitford sisters. She was first married to Bryan Walter Guinness, heir to the barony of Moyne, and upon her divorce from him married Sir Oswald Mosley, 6th Baronet of Ancoats, leader of the British Union of Fascists. Her second marriage, in 1936, took place at the home of Joseph Goebbels, with Adolf Hitler as guest of honour. Subsequently, her involvement with Fascist political causes resulted in three years' internment during the Second World War.
Sir Oswald Mosley, 4th Baronet William White, in the first quarter of 1873 in Marylebone District, London. Their son Sir Oswald Mosley, 5th Baronet, of Ancoats (29 December 1873 – 21 September 1928) married Katharine Maud Edwards-Heathcote (1874 – 1950), the second child of Captain Justinian Edwards-Heathcote of Market Drayton, Shropshire; their son was the Fascist politician Sir Oswald Mosley, 6th Baronet. Their daughter Constance Mosley (Montagu Square, London, 25 April 1881 - Westminster, London, 1963), married as his second wife on 11 March 1907 Charles Fitzroy Ponsonby McNeill (Warmsworth, Yorkshire, 9 December 1866 – 22 November 1955), son of Captain Duncan McNeill and Fanny