Deborah Cavendish, Duchess of Devonshire, English aristocrat, socialite, and author (born 1920)

Deborah Vivien Cavendish, Duchess of Devonshire,, 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 British society in the 1930s and 1940s.