| Name | Role | Place | Source | |
|---|---|---|---|---|
| Constant Deroo | Witness | 1914 | Heverlee | Civil registration marriages |
| Constant Herman Engelbert Deroo | Registered | 1900 | Amsterdam | Overgenomen delen |
| Constant Herman Englebert Deroo | Father of groom | 1902 | Namur | Civil registration marriages |
| Marcel Maurice Constant Deroo | Deceased | 1982 | Plaisir | Civil registration deaths |
| Marcel Maurice Constant Deroo | Deceased | 1982 | Plaisir | Civil registration deaths |
| Paul Constant Albert Deroo | Deceased | 1986 | Gorgue | Civil registration deaths |
| Paul Constant Albert Deroo | Deceased | 1986 | Gorgue | Civil registration deaths |
| Pierre Jean Constant Deroo | Relation | 1886 | Brussel | Alien files |
| Robert Adrien Constant Deroo | Deceased | 1972 | Paris | Civil registration deaths |
| Robert Adrien Constant Deroo | Deceased | 1972 | Paris | Civil registration deaths |
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