| Name | Role | Place | Source | |
|---|---|---|---|---|
| Marius Joannes van Leeuwen | Groom | 1940 | Zijpe | Civil registration marriages |
| Marius Joannes van Leeuwen | Registered | 1915 | Callantsoog | Population register |
| Marius Joseph van Leeuwen | Tewerkgestelde | 's-Gravenhage, Alphen aan den Rijn | Workforce registration | |
| Marius Joseph van Leewen | Tewerkgestelde | 's-Gravenhage, Alphen aan den Rijn | Workforce registration | |
| Marius Joseph van Leewen | Tewerkgestelde | 's-Gravenhage, Alphen aan den Rijn | Workforce registration |
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