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
Nancy Mitford in favour of the new arrival was a further source of outrage to Nancy, and throughout their childhood and into young adulthood she continued to vent her displeasure on her sister. In January 1909 a brother, Tom was born, and in June 1910 another sister, Diana, followed. That summer, to relieve the pressure on what was becoming an overcrowded nursery, Nancy attended the nearby Francis Holland School. The few months she spent there represented almost the whole of her formal schooling; in the autumn the family moved to a larger house in Victoria Road, Kensington, after which Nancy was educated