| Father | William DUVAL I ( - ) |
| Mother | Lucy CLAIBORNE (1725 - 1810) |
| Sibling | Maj William DUVAL II (1748 - 1842) |
| Sibling | Benjamin J DUVAL ( - ) |
| Sibling | Samuel Shepherd DUVAL (1752 - 1825) |
| Sibling | Daniel B DUVAL (1755 - 1824) |
| Sibling | Mary Polly DUVAL (1759 - 1879) |
| Sibling | Philadelphia DUVAL (1761 - 1807) |
| Sibling | Claiborne DUVAL (1761 - 1824) |
| Sibling | Mary POPE (1762 - 1849) |
| Sibling | Philadelphia DUNSCOMB (1764 - 1807) |
| Sibling | Colonel Daniel DUVAL (1764 - 1795) |
| Sibling | Philadelphia DUVAL (1764 - 1807) |
| Sibling | Elizabeth Frances DUVALL (1767 - 1860) |
| Sibling | Lucy Pope DUVAL (1767 - 1783) |
| Sibling | Lucy DUVAL (1767 - 1857) |
| Sibling | Claiborne(J6) DUVAL (1771 - 1854) |
| Sibling | Samuel Shepherd DUVAL (1776 - 1800) |