Deborah Cavendish, Duchess of Devonshire Deborah Cavendish, Duchess of Devonshire Deborah Vivien Cavendish, Duchess of Devonshire, (born Deborah Freeman-Mitford and latterly Deborah, Dowager Duchess of Devonshire; 31 March 1920 – 24 September 2014) was an English aristocrat, writer, memoirist and socialite. She was the youngest and last surviving of the six Mitford sisters, who were prominent members of English society in the 1930s and 1940s. Known to her family as "Debo", Deborah Mitford was born in Asthall Manor, Oxfordshire, England. Her parents were David Freeman-Mitford, 2nd Baron Redesdale (1878–1958), son of Algernon Freeman-Mitford, 1st Baron Redesdale, and his wife, Sydney (1880–1963), daughter of Thomas Gibson
Unity Mitford forward among the sisters and in the family, she decided that she was going to form a personality against everything". It has been speculated that Unity turned to Nazism as a way to distinguish herself within the family. As Dalley states: "I think the desire to shock was very important, it was the way that she made herself special. When she discovered Nazism and discovered that it was a fantastic opportunity to shock everybody in England she’d discovered the best tease of all." Her younger sister, Jessica, with whom she shared a bedroom, was a dedicated communist. The two drew