| Name | Role | Place | Source | |
|---|---|---|---|---|
| Ernest Louis Alexandre Solvay | Witness | 1907 | Brussel | Civil registration marriages |
| Joseph Louis Solvay | Relation | Brussel | Alien files | |
| Joseph Louis Solvay | Groom | 1900 | Sint-Gillis | Civil registration marriages |
| Joseph Louis Solvay | Registered | Brussel | Alien files | |
| Louis Ernest Alexandre Solvay | Groom | 1899 | Brussel | Civil registration marriages |
| Louis Solvay | Witness | 1900 | Brussel | Civil registration marriages |
| Louis Solvay | Witness | 1902 | Elsene | Civil registration marriages |
| Louis Solvay | Witness | 1900 | Vorst | Civil registration marriages |
| Louis Solvay | Witness | 1903 | Brussel | Civil registration marriages |
| Louis Solvay | Witness | 1906 | Brussel | Civil registration marriages |
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