| Name | Role | Place | Source | |
|---|---|---|---|---|
| Jacobus Wilhelmus Leeuwenkamp | Registered | 1917 | Kampen | Population register |
| Jacobus Wilhelmus Leeuwenkamp | Child | 1917 | Kampen | Civil registration births |
| Jacobus Wilhelmus Leeuwenkamp | Child | 1917 | Kampen | Civil registration births |
| Jacobus Wilhelmus Leeuwenkamp | Deceased | 1999 | Sneek, Kampen | Prayer card collection |
| Jacobus Wilhelmus Leeuwenkamp | Groom | 1940 | Amsterdam, Kampen | Civil registration marriages |
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