| Name | Role | Place | Source | |
|---|---|---|---|---|
| Jan Mathijs Kamp | Counterparty | 1851 | Heerlen | Notarial records |
| Jan Mathijs op den Kamp | Father | 1952 | Munstergeleen | Civil registration deaths |
| Jan Mathijs op den Kamp | Father | 1887 | Geleen | Civil registration births |
| Jan Mathijs op den Kamp | Father | 1890 | Geleen | Civil registration births |
| Jan Mathijs op den Kamp | Father | 1942 | Geleen | Civil registration deaths |
| Jan Mathijs op den Kamp | Father | 1883 | Geleen | Civil registration births |
| Jan Mathijs op den Kamp | Father of bride | 1905 | Munstergeleen | Civil registration marriages |
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