| Name | Role | Place | Source | |
|---|---|---|---|---|
| Hermannus Janzon | Father | 1766 | Abbenbroek | Church records baptisms |
| Hermannus Janzon | Father | 1769 | Abbenbroek | Church records baptisms |
| Hermannus Janzon | Registered | 1792 | Amsterdam | Notarial records |
| Hermannus Janzon | Father | 1770 | Abbenbroek | Church records baptisms |
| Hermannus Janzon | Second party | 1769 | Notarial records | |
| Hermannus Janzon | Father | 1777 | Warmond | |
| Hermannus Janzon | Witness | 1801 | Warmond | |
| Hermannus Janzon | Father | 1775 | Warmond |
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