| Name | Role | Place | Source | |
|---|---|---|---|---|
| Jacob Johannes van der Bas | Child | 1903 | Moordrecht | Civil registration births |
| Jacob Johannes van der Bas | Registered | 1903 | Moordrecht | Population register |
| Jacob Johannes van der Bas | Deceased | 1906 | Moordrecht | Civil registration deaths |
| Jacob van der Bas | Registered | Berkenwoude | Population register | |
| Mr. Willem van der Does echtgenoot Catharina Henrix wed. Jacob Cornelisz Bas | Seller | 1650 | Amsterdam | Waivers |
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