| Name | Role | Place | Source | |
|---|---|---|---|---|
| Jacobus Japiks | Father | 1844 | Rotterdam | Civil registration deaths |
| Jacobus Japiks | Father | 1796 | Groningen | Church records baptisms |
| Jacobus Japiks | Father | 1844 | Rotterdam | Civil registration deaths |
| Jacobus Japiks | Deceased | 1853 | Zaandam, Leiden | Civil registration deaths |
| Jacobus Japiks | Child | 1777 | Leiden | |
| Jacobus Japiks | Registered | 1777 | Leiden |
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