| Name | Role | Place | Source | |
|---|---|---|---|---|
| Gerardus Rodolf | Registered | Maastricht | Population register | |
| Gerardus Rodolf | Deceased | 1874 | Maastricht | Civil registration deaths |
| Gerardus Rodolf | Child | 1872 | Maastricht | Civil registration births |
| Gerardus Rodolf Johannes Hilkes | Father | 1941 | Eindhoven | Civil registration deaths |
| Gerardus Rodolf Johannes Hilkes | Father | 1940 | Maarheeze | Civil registration deaths |
| Gerardus Rodolf Lammers | Deceased | 2000 | Heerlen | Prayer card collection |
| Gerardus Rodolf Lammers | Deceased | 2000 | Heerlen | Prayer card collection |
| Rodolf Gerardus Verwijk | Witness | 1880 | 's-Gravenhage | Civil registration marriages |
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