| Father | Tjerck Claesszen de Witt (1618 - 1700) |
| Mother | Barbara Andriesse (1633 - 1714) |
| Sibling | Tjaate de Witt (1659 - 1724) |
| Sibling | Tjerck DeWitt (1678 - 1762) |
| Sibling | Peeck Tjerckszen de Witt (1676 - 1726) |
| Sibling | Lucas DeWitt (1674 - 1703) |
| Sibling | Maritje Tjerckse de Witt (1680 - 1733) |
| Sibling | Jacob Tjerckszen de Witt (1670 - 1753) |
| Sibling | Jan Tjerckszen de Witt ( - 1715) |
| Sibling | Aagje Tjerckse de Witt (1684 - 1726) |
| Sibling | Klaes Tjerckszen de Witt ( - 1698) |
| Sibling | Rachel Tjerkse de Witt ( - 1745) |
| Sibling | Jannetje de Witt (1662 - 1744) |
| Sibling | Andries Tjerckszen de Witt (1657 - 1710) |