| Name | Role | Place | Source | |
|---|---|---|---|---|
| Pieter R. Blankevoort | Registered | Amsterdam | Pension registry | |
| Pieter R. Blankevoort | Registered | 1860 | Monnickendam | Population register |
| Pieter R. Blankevoort | Registered | 1870 | Monnickendam | Population register |
| R. Blankevoort | Registered | 1912 | Heiloo | Population register |
| R. Blankevoort | Registered | 1909 | Heiloo | Population register |
| R. Blankevoort | Person in notarial deed | 1901 | Hoogwoud | Notarial records |
| R. Blankevoort | Person in notarial deed | 1911 | Obdam | Notarial records |
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