Deborah Cavendish, Duchess of Devonshire
| The Duchess of Devonshire | |
|---|---|
| Deborah Mitford in 1938 | |
| Tenure | 26 November 1950 – 3 May 2004 | 
| Predecessor | Mary Cavendish, Duchess of Devonshire | 
| Successor | Amanda Heywood-Lonsdale | 
| Born | Deborah Vivien Freeman-Mitford 31 March 1920 London, England | 
| Died | 24 September 2014 (aged 94) Edensor, Derbyshire, England | 
| Residence | Edensor House, Chatsworth Estate | 
| Noble family | Mitford family | 
| Spouse(s) | |
| Issue | 7, including Peregrine Cavendish, 12th Duke of Devonshire and Lady Sophia Topley | 
| Parents | 
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| Signature | |
| Occupation | Writer, memoirist, socialite | 
Deborah Vivien Cavendish, Duchess of Devonshire, DCVO (née Freeman-Mitford; 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 British society in the 1930s and 1940s.