| Name | Role | Place | Source | |
|---|---|---|---|---|
| Constant Deridder | Witness | 1896 | Pepingen | Civil registration marriages |
| Constant Deridder | Witness | 1914 | Halle | Civil registration marriages |
| Constant Deridder | Witness | 1903 | Sint-Laureins-Berchem | Civil registration marriages |
| Constant Deridder | Witness | 1897 | Buizingen | Civil registration marriages |
| Constant Joseph Pierre Deridder | Witness | 1818 | Keerbergen | Civil registration marriages |
| Constant Jozef Deridder | Groom | 1922 | Melsbroek | Civil registration marriages |
| Guillaume Constant Deridder | Father | 1905 | Halle | Civil registration births |
| Guillaume Constant Deridder | Father of bride | 1922 | Halle | Civil registration marriages |
| Guillaume Constant Deridder | Father | 1902 | Halle | Civil registration births |
| Willem Constant Deridder | Father | 1900 | Halle | Civil registration births |
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