| Name | Role | Place | Source | |
|---|---|---|---|---|
| J. J. Propstra | Mention | 1818 | Lemsterland | Notarial records |
| J. J. Propstra | Mention | 1817 | Lemsterland | Notarial records |
| J. Propstra | Travelers | 1903 | Rotterdam | Passenger registers |
| J. Propstra | Travelers | 1920 | Rotterdam | Passenger registers |
| J. Propstra | Travelers | 1920 | Rotterdam | Passenger registers |
| J. Propstra | Travelers | 1937 | Rotterdam | Passenger registers |
| J. Propstra | Signatory | 1878 | 's-Gravenhage | Verzoekschriften |
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