Family: Richard Trevithick / Blanch Knight (F190)
m. 20 Apr 1811John Trevithick (1732-1796) |
Frances Guy (1743-1818) |
| Joseph Knight (1760- ) |
| Mary - married Joseph Knight - (1760- ) |
 | Richard Trevithick (1783-1845) 
|
| Blanch Knight (1788-1828)
|
| Elizabeth Trevithick (1811-1812) |
Elizabeth Trevithick (1813- )  |
| Richard Trevithick (1813- ) |
| Mary Trevithick (1816-1833) |
| Sarah Trevithick (1817- ) |
| Blanche Trevithick (1818-1910) |
| John Trevithick (1819-1819) |
| John Trevithick (1822-1889) |
| Joseph Knight Trevithick (1823-1880) |
 | Thomas Trevithick (1824- ) |
| Francis Trevithick (1827-1833) |
| Fanny Trevithick (1827-1828) |