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
Diana Mitford people having possession of such a large fortune, but she was eventually convinced Bryan was a suitable husband. They married on 30 January 1929; her sisters Jessica and Deborah were too ill to attend the ceremony. The couple had an income of £20,000 a year (the equivalent of £1,132,535.70 in 2016, adjusted for inflation), an estate at Biddesden in Wiltshire, and houses in London and Dublin. They were well known for hosting aristocratic society events involving the Bright Young People. The writer Evelyn Waugh exclaimed that her beauty "ran through the room like a peal of bells", and he dedicated