| Name | Role | Place | Source | |
|---|---|---|---|---|
| Constant Demarez | Witness | 1880 | Brussel | Civil registration marriages |
| Constant Demarez | Father of groom | 1811 | Mons | Civil registration marriages |
| Constant Demarez | Deceased | 1891 | Tournai | Civil registration deaths |
| Constant Georgius Demarez Or de Buck | Child | 1909 | Gent | Civil registration births |
| Hendrik Constant Demarez | Registered | 1856 | Brussel | Population register |
| Henri Constant Demarez | Groom | 1879 | Brussel | Civil registration marriages |
| Jean Baptiste Constant Demarez | Father of bride | 1880 | Brussel | Civil registration marriages |
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