| Name | Role | Place | Source | |
|---|---|---|---|---|
| Casper Diederik de Groot | Father | 1789 | Amsterdam | Church records baptisms |
| Diederik Casper Jamin de Groot | Registered | 1807 | Amsterdam | Notarial records |
| Diederik Casper de Groot Jamin | Father | 1795 | Amsterdam | Church records baptisms |
| Diederik Casper de Groot Jamin | Father | 1795 | Amsterdam | Church records baptisms |
| Diederik Casper de Groot Jamin | Registered | 1810 | Amsterdam | Notarial records |
| Diederik Casper de Groot Jamin | Registered | 1810 | Amsterdam | Notarial records |
| Diederik Casper de Groot Jamin | Father of groom | 1839 | Amsterdam | Civil registration marriages |
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