| Name | Role | Place | Source | |
|---|---|---|---|---|
| Jacobus Johannes Cornelis van Leeuwen | Father | 1936 | Sassenheim | |
| Jacobus Johannes Cornelis van Leeuwen | Groom | 1928 | Woubrugge | |
| Johannes Jacobus Cornelis van Leeuwen | Deceased | 1827 | Schiedam | Civil registration deaths |
| Johannes Jacobus Cornelis van Leeuwen | Child | 1827 | Schiedam | Civil registration births |
| Johannes Jacobus Cornelis van Leeuwen | Deceased | 1827 | Schiedam | Civil registration deaths |
| Johannes Jacobus Cornelis van Leeuwen | Child | 1827 | Schiedam | Civil registration births |
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