| Name | Role | Place | Source | |
|---|---|---|---|---|
| Mathieu Jean Koelen | Registered | Pension registry | ||
| Mathieu Jean v.d. Koelen | Registered | 's-Gravenhage | PoW cards | |
| Mathieu Jean van der Koelen | Registered | 1913 | 's-Gravenhage | Population register |
| Mathieu Jean van der Koelen | Registered | 's-Gravenhage | Studbooks | |
| Mathieu Jean van der Koelen | Child | 1910 | Venlo | Civil registration births |
| Mathieu Jean van der Koelen | Child | 1910 | Venlo | Civil registration births |
| Mathieu Jean van der Koelen | Registered | 's-Gravenhage, Venlo | Individual Files | |
| Mathieu Koelen | Father | 1818 | Hunsel | Civil registration births |
| Mathieu Koelen | Father | 1813 | Hunsel | Civil registration births |
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