Name | Role | Place | Source | |
---|---|---|---|---|
J.B. Os | Passagier | Tandjong Priok | Passenger registers | |
J.B. den Os | Travelers | 1949 | Rotterdam | Passenger registers |
J.B. van Os | Registered | 1955 | Leeuwarden | Chamber of Commerce |
J.B. van Os | Registered | 1895 | Amsterdam | Family cards |
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