| Father | Johann Heinrich Gunterman Countryman (1719 - 1777) |
| Mother | Arriaentje Keyser (1717 - 1811) |
| Sibling | Sophia Gunterman (1745 - ) |
| Sibling | Catharine Gunderman (1756 - ) |
| Sibling | John Gunterman (1754 - 1832) |
| Sibling | Henry Gonterman Sr. (1767 - 1835) |
| Sibling | William Gunderman (1752 - 1836) |
| Sibling | Maria Elizabeth Gunderman (1749 - ) |
| Sibling | Mary Gunterman (1749 - ) |
| Sibling | Samuel Keyser Gunderman (1738 - ) |
| Sibling | Jacob Gunderman (1758 - ) |
| Sibling | Rachel Gunderman (1747 - ) |
| Sibling | Conrad Gunterman (1728 - 1797) |
| Sibling | Maria Elizabeth Gunterman (1734 - ) |
| Sibling | Peter Gunterman (1730 - ) |
| Sibling | Elizabeth Countryman (1745 - 1776) |