| Name | Role | Place | Source | |
|---|---|---|---|---|
| Arthur Alfred Ildephonse Catoir>Mercelis | Gewettigd kind | 1848 | Sint-Joost-ten-Node | Civil registration marriages |
| Ildephonse Mercelis | Witness | 1865 | Brussel | Civil registration marriages |
| Ildephonse Mercelis | Witness | 1871 | Schaarbeek | Civil registration marriages |
| Pierre Ildephonse Mercelis | Witness | 1855 | Sint-Joost-ten-Node | Civil registration marriages |
| Pierre Ildephonse Mercelis | Witness | 1865 | Brussel | Civil registration marriages |
| Pierre Ildephonse Mercelis | Groom | 1848 | Sint-Joost-ten-Node | Civil registration marriages |
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