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
Education of the British royal family or heir to the throne had completed a university degree. Novelist Monica Ali described Charles's first wife, Diana, Princess of Wales, as being able to engage with the public on issues such as mental health in spite of her being "uneducated and intellectually insecure". Princess Michael of Kent has said that Diana struggled with praise on account of her difficult upbringing and because she "did not have much education". According to tapes released in 2004, Diana had said that her immediate family members told her she was "the thick one". Diana failed her O-level examinations (equivalent of a high school