Family: George (1st Marquess of Buckingham) Grenville / Mary Elizabeth Nugent (F69730)
m. 16 Apr 1775
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 | Thomas (1st Lord of Admiralty) Grenville (1755-1846) |
| William Wyndham (Prime Minister) Lord Grenville (1759-1759)  |
| Robert Craggs (1st Earl of Nugent) Nugent (1702-1788)
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 | Elizabeth Drax ( -1792)
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| George (1st Marquess of Buckingham) Grenville (1753-1813)
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| Mary Elizabeth Nugent ( -1812)
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| Richard (1st Duke of Buckingham) Grenville (1776-1839) |