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| William Henry Bentinck *1738-†1809 3rd Duke of Portland |
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| Dorothy Cavendish *1750-†1794 |
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| William Henry Cavendish Bentinck *1768-†1854 4th Duke of Portland |
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| Henrietta Scott *1770-†1844 |
| William John Cavendish Scott Bentinck *1800-†1879 5th Duke of Portland, markies of Titchfield |
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