| Father | Stephen THOMAS (1705 - 1774) |
| Mother | Mary CLOTHIER (1709 - 1767) |
| Sibling | Rev. Robert Clothier THOMAS (1733 - 1817) |
| Sibling | Stephen THOMAS (1736 - ) |
| Sibling | Mary THOMAS (1738 - ) |
| Sibling | William "Ram Billy" THOMAS (1741 - 1800) |
| Sibling | John/Jesse THOMAS Sr. (1743 - 1814) |
| Sibling | Susannah THOMAS (1745 - ) |
| Sibling | Elizabeth THOMAS (1747 - ) |
| Sibling | Lewis THOMAS (1750 - 1811) |
| Sibling | Tristram THOMAS (1751 - 1817) |
| Sibling | Philemon THOMAS (1754 - 1797) |
| Sibling | Edgar Benjamin THOMAS (1756 - 1833) |
| Sibling | James Clothier THOMAS (1758 - 1790) |
| Sibling | Rebecca THOMAS (1762 - ) |