Unity Mitford July 1996), and Deborah (31 March 1920 – 24 September 2014), later the Duchess of Devonshire. The Mitford children lived at Asthall Manor in Asthall, Oxfordshire, and Unity was educated at St Margaret's School, Bushey. Diana Mosley’s biographer, Jan Dalley, believes that, "Unity found life in her big family very difficult because she came after these cleverer, prettier, more accomplished sisters." While another biographer, David Pryce-Jones, added: "If you come from a ruck of children in a large family, you've got to do something to assert your individuality, and I think through the experience of trying to force her way
They Were Sisters from the immediate aftermath of World War I through to the late 1930s. The screenplay was developed by Pertwee from a popular novel of the same name by Dorothy Whipple, published in 1943. "They Were Sisters" features the spouses of both Mason and Calvert; Pamela Mason (billed under her maiden name Pamela Kellino, and playing Mason's daughter despite being only seven years younger) and Peter Murray-Hill. Mason later admitted that he acted most of his bullying, sadistic role with effectively an ongoing hangover as a means of dealing with the frustration he felt from his role and the British film