| Father | Hendrik Kooijman (1736 - 1797) |
| Mother | Huibertje Empelmans (1738 - 1810) |
| Sibling | Geertrui Hendriksdr Kooijman ( - ) |
| Sibling | Pieter Kooijman ( - 1775) |
| Sibling | Jan Koijman (1773 - ) |
| Sibling | Jan Kooijman ( - ) |
| Sibling | Pietertje Kooijman (1771 - 1772) |
| Sibling | Pieter Kooijman (1775 - ) |
| Sibling | Johanna Kooijman (1770 - 1772) |
| Sibling | Johanna Kooijman (1768 - 1768) |
| Sibling | Heijnderijntie Kooijman (1766 - 1831) |
| Sibling | Anna Kooijman (1777 - 1849) |
| Sibling | Jan Kooijman (1763 - 1763) |
| Sibling | Pieter Kooijman (1779 - 1806) |
| Sibling | Arij Hendriks Kooijman (1761 - ) |