| Name | Role | Place | Source | |
|---|---|---|---|---|
| Rachel Cos | Witness | 1625 | Leiden | Church records baptisms |
| Rachel Cos | Mother | 1626 | Leiden | |
| Rachel Cos | Witness | 1642 | Leiden | |
| Rachel Cos | Witness | 1632 | Leiden | |
| Rachel Cos | Witness | 1638 | Leiden | |
| Rachel Cos | Witness | 1643 | Leiden | |
| Rachel Cos | Witness | 1650 | Leiden | |
| Rachel Cos | Witness | 1626 | Leiden | |
| Rachel Cos | Witness | 1625 | Leiden | |
| Rachel Cos | Mother | 1627 | Leiden |
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