| Name | Role | Place | Source | |
|---|---|---|---|---|
| Edouard de Dapper | Groom | 1865 | Brussel | Civil registration marriages |
| Pierre Joseph Edouard De Dapper | Groom | 1838 | Brussel | Civil registration marriages |
| Pierre Joseph Edouard De dapper | Father of groom | 1873 | Sint-Joost-ten-Node | Civil registration marriages |
| Pierre Victor Edouard De Dapper | Witness | 1882 | Etterbeek | Civil registration marriages |
| Pierre Victor Edouard De dapper | Groom | 1873 | Sint-Joost-ten-Node | Civil registration marriages |
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