| Father | Jacobus Willemsz Molendijk (1733 - 1785) |
| Mother | Cornelia Jansdr van der Steen (1740 - 1783) |
| Sibling | Annigje Jacobusdr Molendijk (1765 - ) |
| Sibling | Dammis Jacobusz Molendijk (1776 - 1807) |
| Sibling | Bastiaantje Jacobusdr Molendijk (1774 - ) |
| Sibling | Pietertje Jacobusdr Molendijk ( - ) |
| Sibling | Neeltje Jacobusdr Molendijk (1778 - ) |
| Sibling | Pleuntje Jacobusdr Molendijk (1773 - 1822) |
| Sibling | Arij Jacobusz Molendijk (1771 - 1795) |
| Sibling | Pieter Jacobusz Meulendijk ( - ) |
| Sibling | Heiltje Jacobusdr Molendijk (1768 - 1785) |
| Sibling | Jan Jacobusz Molendijk (1767 - ) |
| Sibling | Willem Jacobusz Molendijk (1764 - 1837) |