| Name | Role | Place | Source | |
|---|---|---|---|---|
| Jean Baptiste Louis Belsack>Erkens | Gewettigd kind | 1887 | Schaarbeek | Civil registration marriages |
| Jean Louis Belsack | Groom | 1894 | Brussel | Civil registration marriages |
| Louis Belsack | Witness | 1905 | Brussel | Civil registration marriages |
| Louis Belsack | Witness | 1899 | Elsene | Civil registration marriages |
| Louis Belsack | Witness | 1868 | Sint-Joost-ten-Node | Civil registration marriages |
| Louis Belsack | Witness | 1866 | Brussel | Civil registration marriages |
| Louis Jean Baptiste Belsack | Groom | 1866 | Brussel | Civil registration marriages |
| Louis Jean Baptiste Belsack | Father of bride | 1905 | Schaarbeek | Civil registration marriages |
| Louis Jean Baptiste Belsack | Father of bride | 1908 | Sint-Gillis | Civil registration marriages |
| Louis Notté>Belsack | Gewettigd kind | 1860 | Sint-Jans-Molenbeek | Civil registration marriages |
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