| Name | Role | Place | Source | |
|---|---|---|---|---|
| Gerard Blockerus | Eerdere partner | 1753 | Rotterdam | Church records burials |
| Gerard Blockerus | Registered | 1701 | Amsterdam | Notarial records |
| Gerard Blockerus | Person in notarial deed | 1709 | Zierikzee | Notarial records |
| Gerard Blockerus | Registered | 1715 | Bergen op Zoom | Notarial records |
| Gerard Blockerus | Groom | 1705 | Rotterdam | Church records marriages |
| Gerard Blockerus | Father | 1759 | Rotterdam | Church records baptisms |
| Gerard Blockerus | Registered | 1700 | Alkmaar | Notarial records |
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