| Name | Role | Place | Source | |
|---|---|---|---|---|
| Gerrit Jan den Blanke | Registered | Delft | Population register | |
| Jan den Blanke | Mention | 1724 | Woerden | Notarial records |
| Jan den Blanke | Father | 1791 | Woerden | Church records burials |
| Jan den Blanke | Father | 1795 | Woerden | Church records burials |
| Jan den Blanke | Kind van | 1795 | Woerden | Church records burials |
| Jan den Blanke | Kind van | 1791 | Woerden | Church records burials |
| Jan den Blanke | Registered | 1794 | Woerden | Population register |
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