Family: Nicholas Trevithick / Ann Jennings (F597)
m. 23 Jun 1832Thomas Trevithick (1771- ) 
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Elizabeth Mary Coom (1773-1837)
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 | Mary Trevithick (1794- )  |
| Elizabeth Trevithick (1799- ) |
| Jane Trevithick (1801- ) |
| Blanche Trevithick (1806-1810) |
| Anne Trevithick (1813- ) |
| William Jennings (1785- ) |
| Mary James (1785- ) |
| Nicholas Trevithick (1810-1860)
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| Ann Jennings (1809-1887)
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| Jane Trevithick (1832- ) |
| Elizabeth Anne Trevithick (1834-1840) |
| Nicholas Trevithick (1836- ) |
| Thomas Henry Trevithick (1838- ) |
| William Samuel Trevithick (1840- ) |
| Mary Anne Trevithick (1842- ) |
| Elizabeth Trevithick (1844- ) |
| Emma Trevithick (1847- ) |
| Josephus Trevithick (1849- ) |
| Edwin Hancock Trevithick (1851- ) |
| Charles Trevithick (1853- ) |
| Thomas Trevithick (1857- ) |