| Father | Jacob DUFFIELD (1724 - 1774) |
| Mother | Hannah LEECH (1727 - 1793) |
| Sibling | Phebe DUFFIELD (1742 - 1744) |
| Sibling | Jacob DUFFIELD (1744 - 1815) |
| Sibling | Benjamin DUFFIELD (1746 - 1747) |
| Sibling | Joseph DUFFIELD (1747 - 1784) |
| Sibling | Thomas DUFFIELD (1751 - 1829) |
| Sibling | Col. Abraham DUFFIELD (1753 - 1835) |
| Sibling | Jonathan DUFFIELD (1755 - 1767) |
| Sibling | David DUFFIELD (1757 - ) |
| Sibling | Edward DUFFIELD (1759 - ) |
| Sibling | Richard DUFFIELD (1761 - 1832) |
| Sibling | Esther DUFFIELD (1766 - 1797) |
| Sibling | Ann DUFFIELD (1768 - ) |
| Sibling | Phebe DUFFIELD (1771 - ) |
| Sibling | John DUFFIELD (1774 - ) |