Chatsworth House 10th Duke of Devonshire. However, he was killed in action in Belgium in September 1944, and Kathleen died in a plane crash in 1948. His younger brother Andrew became the 11th Duke in 1950. He was married to Deborah Mitford, one of the Mitford girls and sister to Nancy Mitford, Diana Mitford, Pamela Mitford, Unity Mitford and Jessica Mitford The modern history of Chatsworth begins in 1950. The family had not yet moved back after the war and, although the 10th Duke had transferred his assets to his son during his lifetime in the hope of avoiding death duties, he
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