| Name | Role | Place | Source | |
|---|---|---|---|---|
| Jan Mathijs Keulertz | Father | 1832 | Heerlen | Civil registration births |
| Jan Mathijs Keulertz | Partner | 1839 | Heerlen | Civil registration deaths |
| Jan Mathijs Keulertz | Deceased | 1861 | Heerlen | Civil registration deaths |
| Jan Mathijs Keulertz | Father | 1897 | Heerlen | Civil registration deaths |
| Jan Mathijs Keulertz | Father of bride | 1860 | Heerlen | Civil registration marriages |
| Jan Mathijs Keulertz | Father of bride | 1859 | Heerlen | Civil registration marriages |
| Jan Mathijs Keulertz | Father | 1829 | Heerlen | Civil registration births |
| Jan Mathijs Keulertz | Father | 1908 | Heerlen | Civil registration deaths |
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