| Name | Role | Place | Source | |
|---|---|---|---|---|
| Jacob van Delfft | Registered | 1633 | Amsterdam | Notarial records |
| Jacob van Delfft | Registered | 1746 | Amsterdam | Notarial records |
| Jacob van Delfft | Witness | 1755 | Amsterdam | Church records baptisms |
| Jacob van Delfft | Registered | 1747 | Amsterdam | Notarial records |
| Jacob van Delfft | Witness | 1755 | Amsterdam | Church records baptisms |
| Jacob van Delfft | Person in notarial deed | 1647 | Helmond | Notarial records |
| Jacob van Delfft | Groom | 1695 | Leiden |
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