| Name | Role | Place | Source | |
|---|---|---|---|---|
| Johannes Willem Marinus van Leeuwen | Registered | 1910 | Amsterdam | Police reports |
| Johannes Willem Marinus van Leeuwen | Registered | 1910 | Amsterdam | Police reports |
| Johannes Willem Marinus van Leeuwen | Registered | 1910 | Amsterdam | Police reports |
| Johannes Willem Marinus van Leeuwen | Groom | 1932 | Amsterdam | Civil registration marriages |
| Johannes Willem Marinus van Leeuwen | Registered | 1910 | Amsterdam | Militia records |
| Johannes Willem Marinus van Leeuwen | Registered | 1910 | Amsterdam | Personal cards |
| Johannes Willem Marinus van Leeuwen | Registered | Amsterdam | Police reports | |
| Johannes Willem Marinus van Leeuwen | Registered | 1910 | Amsterdam | Police reports |
| Johannes Willem Marinus van Leeuwen | Registered | 's-Gravenhage, Amsterdam | CABR dossiers |
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