| Name | Role | Place | Source | |
|---|---|---|---|---|
| Edmond Joseph Prosec | Registered | 1887 | Amsterdam | Pension registry |
| Edmond Joseph Prosec | Registered | 1887 | Amsterdam | Population register |
| Edmond Joseph Prosec | Registered | 1917 | Amsterdam | Foreigners register |
| Edmond Joseph Prosec | Groom | 1925 | Amsterdam | Civil registration marriages |
| Edmond Prosec | Witness | 1910 | Schaarbeek | Civil registration marriages |
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