| Name | Role | Place | Source | |
|---|---|---|---|---|
| Louisa Ferdinande Mathilde Guelen | Deceased | 1848 | Maastricht | Civil registration deaths |
| Louise Ferdinande Mathilde Guelen | Deceased | 1848 | Maastricht | Death duties files |
| Louise Ferdinande Mathilde Guelen | Child | 1847 | Maastricht | Civil registration births |
| Mathilde Guelen | Child | 1914 | Gennep | Civil registration births |
| Mathilde Guelen | Registered | 1921 | Stiphout | Population register |
| Theodora Mathilde Guelen | Child | 1913 | Gennep | Civil registration births |
| Theodora Mathilde Guelen | Bride | 1937 | Gennep | Civil registration marriages |
| Theodora Mathilde Guelen | Deceased | 2002 | Gennep | Prayer card collection |
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