| Father | Captain John Joshua Byars Sr (1734 - 1781) |
| Mother | Elizabeth A. Thomasson (1735 - 1823) |
| Sibling | Mary Byars (1755 - 1798) |
| Sibling | Jane Byars (1757 - 1786) |
| Sibling | James Byars (1761 - 1817) |
| Sibling | Sarah Byars (1763 - 1810) |
| Sibling | John Joshua Byars Jr (1764 - 1819) |
| Sibling | Martha Byars (1766 - ) |
| Sibling | Fleming Byars (1768 - 1853) |
| Sibling | Anne Byars (1769 - 1844) |
| Sibling | Capt George Byars (1771 - 1843) |
| Sibling | Jemima Byars (1772 - 1817) |
| Sibling | Elizabeth Byars (1774 - 1819) |
| Sibling | William M. Byars (1776 - 1866) |
| Sibling | Rebecca Byars (1780 - 1819) |