| Entry Type | Person |
| Surname | Cavendish |
| Forenames | Harriet Elizabeth |
| Pre Title | Lady |
| Epithet | Daughter of William, 5th Duke of Devonshire, and Duchess Georgiana; married Granville Leveson-Gower. Nicknamed Hary-O. |
| Dates | 1785-1862 |
| Authorised Form of Name | Cavendish; Lady; Harriet Elizabeth (1785-1862); Daughter of William, 5th Duke of Devonshire, and Duchess Georgiana; married Granville Leveson-Gower. Nicknamed Hary-O. |
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