| Name | Role | Place | Source | |
|---|---|---|---|---|
| Jacob Jan Vrijs | Father | 1961 | Assen | Civil registration deaths |
| Jacob Jan Vrijs | Father | 1879 | Laaghalen | Civil registration births |
| Jacob Jan Vrijs | Father of groom | 1903 | Westerbork | Civil registration marriages |
| Jacob Jan Vrijs | Father | 1884 | Laaghalen | Civil registration deaths |
| Jacob Jan Vrijs | Father | 1882 | Laaghalen | Civil registration births |
| Jan Jacob Vrijs | Person appearing | 1858 | Assen | Notarial records |
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