| Entry Type | Person |
| Surname | Bentinck |
| Forenames | Margaret Cavendish |
| Also Known As | Hayley, Mary |
| Pre Title | Lady |
| Title | Duchess of Portland |
| Dates | 1715-1875 |
| Gender Identity | Female |
| History | She was known as a keen collector of natural history items, but she also collected art objects as well. |
| Relationships | She married Wiiliam Bentinck, the 2nd Duke of Portland, on 11 July 1734. |
| Authorised Form of Name | Bentinck; Lady; Margaret Cavendish (1715-1875); Duchess of Portland |
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