| Name | Role | Place | Source | |
|---|---|---|---|---|
| Gerrit Calff | Registered | 1649 | Amsterdam | Notarial records |
| Gerrit Calff | Mention | Amsterdam | Correspondence | |
| Gerrit Calff | Registered | 1649 | Amsterdam | Notarial records |
| Gerrit Calff | Kind van | 1647 | Utrecht | Church records burials |
| Gerrit Calff | Father | 1648 | Utrecht | Church records baptisms |
| Gerrit Calff | Father | 1644 | Utrecht | Church records baptisms |
| Gerrit Calff | Witness | 1644 | Leiden | |
| Gerrit Pietersz Calff | Registered | 1651 | Amsterdam | Notarial records |
| Gerrit Wiilems Calff | Registered | 1641 | Amsterdam | Notarial records |
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