Family: Sir John Trevelyan, 5th Baronet / Maria Wilson (F417)
m. 9 Aug 1791 | Sir John Trevelyan, 4th Baronet (1735-1828) 
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 | Louisa Marianne Symonds (1734-1772)
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| Walter Trevelyan ( -1830)  |
| Venerable George Trevelyan (1765-1827) |
| Sir Thomas Spencer Wilson, 6th Baronet (1726-1798)
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| Jane Weller (1749-1818)
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| Margaretta Elizabeth Wilson (1768-1851) |
| Jane Wilson (1769-1844) |
| Sir Thomas Maryon Wilson, 7th Baronet (1774-1821) |
| Sir John Trevelyan, 5th Baronet (1761-1846)
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| Maria Wilson (1772-1851)
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| John Wilson Trevelyan (1794- ) |
| George Thomas Trevelyan (1795- ) |
| Maria Jane Trevelyan (1796- ) |
| Sir Walter Calverley Trevelyan, 6th Baronet (1797-1879) |
| Julia Trevelyan (1798- ) |
| Raleigh Trevelyan (1800-1814) |
| Emma Trevelyan (1801-1857) |
| Arthur Trevelyan (1802- ) |
| Edward Spencer Trevelyan (1805-1854) |
| Alfred Wilson Trevelyan (1807-1830) |
| Beatrice Trevelyan (1809-1898) |
| Laura Agnes Trevelyan (1811-1899) |
| Helena Caroline Trevelyan (1815-1898) |