| Father | John Brocklebank (1717 - 1795) |
| Mother | Sarah Tenney (1720 - 1803) |
| Sibling | John Brocklebank (1738 - 1819) |
| Sibling | Sarah Brocklebank (1738 - 1819) |
| Sibling | Daniel Brocklebank (1740 - 1740) |
| Sibling | Samuel Brocklebank (1741 - ) |
| Sibling | Daniel Brocklebank (1745 - 1809) |
| Sibling | James Brocklebank (1747 - 1753) |
| Sibling | Priscilla Brocklebank (1748 - 1753) |
| Sibling | Thomas Brocklebank (1750 - 1753) |
| Sibling | Elizabeth Brocklebank (1753 - 1756) |
| Sibling | James Brocklebank (1755 - ) |
| Sibling | Mary "Molly" Brocklebank (1758 - 1840) |
| Sibling | Thomas Brocklebank (1761 - 1762) |
