| Name | Role | Place | Source | |
|---|---|---|---|---|
| Frederic Pierre Decoeur | Deceased | 2020 | Quetigny | Civil registration deaths |
| Frederic Pierre Decoeur | Deceased | 2020 | Quetigny | Civil registration deaths |
| Frederic Pierre Decoeur | Deceased | 2020 | Quetigny | Civil registration deaths |
| Louis Pierre Eugene Decoeur | Deceased | 1862 | Namur | Civil registration deaths |
| Louis Pierre Joseph Decoeur | Child | 1862 | Namur | Civil registration births |
| Louis Pierre Joseph Decoeur | Child | 1862 | Namur | Church records baptisms |
| Pierre Decoeur | Witness | 1843 | Brussel | Civil registration marriages |
| Pierre Léopold Edmond Decoeur | Child | 1882 | Liège | Civil registration births |
| Robert Pierre Raymond Gustave Decoeur | Deceased | 1993 | Sables-d'Olonne | Civil registration deaths |
| Robert Pierre Raymond Gustave Decoeur | Deceased | 1993 | Sables-d'Olonne | Civil registration deaths |
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