| Father | Ralph Blackstone Sr. (1778 - 1840) |
| Mother | Sally Pond (1785 - 1863) |
| Sibling | Ralph Blackstone Jr. (1823 - 1913) |
| Sibling | Sally Blackstone (1821 - 1893) |
| Sibling | Jerome Blackstone (1816 - 1848) |
| Sibling | William Blackstone (1814 - 1876) |
| Sibling | Henry Blackstone (1812 - 1841) |
| Sibling | Blackstone (1812 - 1812) |
| Sibling | Elisa Blackstone (1810 - 1867) |
| Sibling | Blackstone (1828 - 1828) |
| Sibling | Fanny Blackstone (1806 - 1880) |
| Sibling | Ebenezer Blackstone (1831 - 1858) |
| Sibling | Betsey Blackstone (1800 - 1842) |
| Sibling | Eliza Blackston (1794 - ) |