| Name | Role | Place | Source | |
|---|---|---|---|---|
| Gerret Claessen Cock | Father | 1684 | Alkmaar | Church records baptisms |
| Gerret Cock | Registered | 1670 | Amsterdam | Notarial records |
| Gerret Cock | Registered | 1733 | Amsterdam | Notarial records |
| Gerret Cock | Witness | 1708 | Amsterdam | Church records baptisms |
| Gerret Cock | Witness | 1711 | Amsterdam | Church records baptisms |
| Gerret Cock | Registered | 1688 | Amsterdam | Notarial records |
| Gerret Cock | Witness | 1708 | Amsterdam | Church records baptisms |
| Gerret Cock | Groom | 1699 | Utrecht | Church records marriages |
| Gerret Teunisz Cock | Father | 1655 | Leiden |
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