| Father | John "Signer of Declaration of Independence" Hart (1713 - 1779) |
| Mother | Deborah Scudder (1723 - 1776) |
| Sibling | Sarah Hart (1741 - 1821) |
| Sibling | Jesse Hart (1742 - 1815) |
| Sibling | Martha Hart (1746 - 1815) |
| Sibling | Nathaniel Hart (1747 - 1825) |
| Sibling | John R. Hart Jr. (1748 - 1790) |
| Sibling | Susannah Hart (1750 - 1832) |
| Sibling | Mary Midridge Hart (1752 - 1782) |
| Sibling | Abigail Hart (1754 - 1833) |
| Sibling | Edward Scudder Hart (1755 - 1812) |
| Sibling | Scudder Hart (1757 - 1758) |
| Sibling | Daniel Scudder Hart (1762 - 1848) |
| Sibling | Deborah Hart (1765 - 1848) |