| Name | Role | Place | Source | |
|---|---|---|---|---|
| Alexander Franciscus Jacobus Heirwegh | Groom | 1909 | Sint-Lambrechts-Woluwe | Civil registration marriages |
| Augustinus Jacobus Heirwegh | Father of groom | 1909 | Sint-Lambrechts-Woluwe | Civil registration marriages |
| Jacobus Heirwegh | Father | 1864 | Sint-Niklaas | Civil registration deaths |
| Jacobus Heirwegh | Father | 1866 | Sint-Niklaas | Civil registration deaths |
| Jacobus Heirwegh | Father | 1866 | Sint-Niklaas | Civil registration deaths |
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