| | Charles George Perceval 1796–1858 Frances Agnes Trevelyan 1809–1873 | | | | Charles George Perceval 1756–1840 Margaret Elizabeth Wilson 1768–1851 | | | | John Perceval 2nd Earl of Egmont 1711–1770 Lady Catherine Cecil –1752 Catherine Compton 1731–1784 |
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| | | George (Ven.) Trevelyan 1764–1827 | | | | Sir John Trevelyan 1735–1828 Louise Marianne Simond 1735–1772 | | | | Sir George Trevelyan 1707–1768 Julia Calverley 1714–1787 | | |
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| | | Sir Richard Neave 1731–1814 Frances Bristow 1743–1830 |
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