Family: Edward William Spencer CAVENDISH, 10th Duke of Devonshire, Marquess of Hartington / Mary GASCOYNE-CECIL (F38006)
m. 1917
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 | Lady Evelyn Emily Mary PETTY-FITZMAURICE (1870-1960)
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| Maud Louisa Emma CAVENDISH (1896-1975)  |
| Lady Blanche Katherine CAVENDISH (1898-1987) |
| Lady Dorothy Evelyn CAVENDISH (1900-1966) |
 | Lord Charles Arthur Francis CAVENDISH (1905-1944) |
| Lady Anne CAVENDISH, Countess of Sandwich (1909-1981) |
| Mary GASCOYNE-CECIL (1895-1988)
|
| Lady Mary CAVENDISH (1922-1922) |
| Elizabeth Georgiana Alice CAVENDISH (1926-2018) |
| Lady Anne Evelyn Beatrice CAVENDISH (1927-2010) |