| Name | Role | Place | Source | |
|---|---|---|---|---|
| Jean Effront | Witness | 1910 | Sint-Gillis | Civil registration marriages |
| Jean Isaac (dit Isaac) Effront | Registered | 1884 | Brussel | Alien files |
| Jean Isaac Effront | Previous partner bride | 1900 | Etterbeek | Civil registration marriages |
| Jean Isaac Effront | Groom | 1899 | Brussel | Civil registration marriages |
| Jean Yvan Auguste Effront | Groom | 1933 | 's-Gravenhage | Civil registration marriages |
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