| Name | Role | Place | Source | |
|---|---|---|---|---|
| Gijsbert de Knijff | Mention | 1830 | Woerden | Notarial records |
| Gijsbert de Knijff | Father | 1825 | Woerden | Civil registration births |
| Gijsbert de Knijff | Father | 1818 | Woerden | Civil registration births |
| Gijsbert de Knijff | Father | 1818 | Woerden | Civil registration births |
| Gijsbert de Knijff | Father | 1825 | Woerden | Civil registration births |
| Gijsbert de Knijff | Mention | 1823 | Woerden | Notarial records |
| Gijsbert de Knijff | Father | 1818 | Woerden | Civil registration births |
| Gijsbert de Knijff | Father | 1825 | Woerden | Civil registration births |
| Gijsbert de Knijff | Registered | 1759 | Dordrecht | Church records marriages |
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