| Name | Role | Place | Source | |
|---|---|---|---|---|
| Isack Coster | Registered | 1652 | Amsterdam | Notarial records |
| Isack Coster | Father | 1691 | Amsterdam | Church records baptisms |
| Isack Coster | Father | 1691 | Amsterdam | Church records baptisms |
| Isack Coster | Registered | 1692 | Amsterdam | Church records burials |
| Isack Coster | Deceased | 1769 | Rotterdam | Church records burials |
| Isack Coster | Kind van | 1645 | Utrecht | Church records burials |
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