| Father | John Sedgwick (1742 - 1820) |
| Mother | Abigail Andrews (1745 - 1811) |
| Sibling | John Andrews Sedgwick (1764 - 1831) |
| Sibling | Sarah Sedgwick (1765 - 1815) |
| Sibling | Henry Sedgwick (1767 - 1811) |
| Sibling | Roderick Sedgwick (1770 - 1783) |
| Sibling | Parnel Sedgwick (1771 - 1809) |
| Sibling | Anne Sedgwick (1775 - 1787) |
| Sibling | Elizabeth Sedgwick (1777 - 1778) |
| Sibling | Pamelia Sedgwick (1778 - 1839) |
| Sibling | Benjamin Sedgwick Esq. (1781 - 1857) |
| Sibling | Abigail Sedgwick (1783 - 1783) |
| Sibling | Stephen Sedgwick (1783 - 1830) |
| Sibling | Roderick Sedgwick (1785 - 1864) |