| Father | Henry Newcomer Senior (1744 - 1795) |
| Mother | Barbara Garber (1746 - 1818) |
| Sibling | Elizabeth "Bettie" Newcomer (1767 - 1822) |
| Sibling | Christian Newcomer ( - ) |
| Sibling | Samuel Newcomer Senior (1769 - 1811) |
| Sibling | Henry Newcomer Junior (1772 - 1828) |
| Sibling | Joel Newcomer (1773 - 1852) |
| Sibling | Barbara Newcomer (1774 - 1837) |
| Sibling | Peter Newcomer Senior (1775 - 1854) |
| Sibling | Daniel Newcomer (1779 - 1829) |
| Sibling | Sarah "Sallie" Newcomer (1780 - ) |
| Sibling | Mary Garver Newcomer (1783 - 1853) |
| Sibling | Nancy Ann Newcomer (1783 - 1842) |
| Sibling | John Newcomer (1795 - 1799) |
