| Name | Role | Place | Source | |
|---|---|---|---|---|
| Pieter S. Oosterhoff | Registered | 1839 | Groningen | Population register |
| S. Oosterhoff | Travelers | 1950 | Rotterdam | Passenger registers |
| S. Oosterhoff | Military | 's-Gravenhage | Staat van dienst | |
| S. Oosterhoff | Passagier | 1949 | Tandjong Priok | Passenger registers |
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