| Name | Role | Place | Source | |
|---|---|---|---|---|
| Marie Helene Optroot | Mother of groom | 1851 | Sint-Jans-Molenbeek | Civil registration marriages |
| Marie Hélène Cornélie Hubertine Optroot | Mother of groom | 1884 | Sint-Joost-ten-Node | Civil registration marriages |
| Marie Hélène Optroot | Mother of groom | 1862 | Brussel | Civil registration marriages |
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