| Name | Role | Place | Source | |
|---|---|---|---|---|
| Joseph de Bas | Registered | Vincennes/Parijs | Studbooks | |
| Joseph de Bas | Military | Studbooks | ||
| Marie Eduard Joseph August Theodore de Bas | Father | 1969 | Bergen op Zoom | Civil registration deaths |
| Marie Lucien Joseph Jean Le Bas De Bouclans | Deceased | 1981 | Scey-Maisières | Civil registration deaths |
| Marie Lucien Joseph Jean Le Bas De Bouclans | Deceased | 1981 | Scey-Maisières | Civil registration deaths |
| Pieter Joseph de Bas | Witness | 1771 | Amsterdam | Church records baptisms |
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