| Father | Jan Broersen DECKER [Lieut.] (1630 - 1712) |
| Mother | Heyltie JACOBS (1635 - 1678) |
| Sibling | Jacob Janse DECKER (1656 - 1720) |
| Sibling | Broer Janse DECKER (1660 - ) |
| Sibling | Jurien Jan DECKER (1662 - ) |
| Sibling | Grietje Janse DECKER (1664 - ) |
| Sibling | Gerrit Janse DECKER (1665 - ) |
| Sibling | Maddelen DECKER (1666 - ) |
| Sibling | Hendrick Janse DECKER (1667 - 1717) |
| Sibling | Margaret DECKER ( - ) |
| Sibling | Cornelius Jansen DECKER (1670 - 1702) |
| Sibling | Fietje Janse DECKER (1671 - ) |
| Sibling | Hermanus DECKER (1673 - ) |
| Sibling | Johannes DECKER (1675 - ) |
| Sibling | Jennetje DECKER (1685 - ) |