| Name | Role | Place | Source | |
|---|---|---|---|---|
| Isaac Jacob Warendorff | Registered | 1879 | Utrecht | Population register |
| Isaac Jacob Warendorff | Registered | 1809 | Utrecht | Population register |
| Jacob Warendorff | Deceased | 1859 | Rotterdam | Civil registration deaths |
| Jacob Warendorff | Child | 1856 | Rotterdam | Civil registration births |
| Jacob Warendorff | Registered | 1869 | Population register | |
| Jacob Warendorff | Registered | 1860 | Population register | |
| Jacob Warendorff | Registered | 1850 | Population register | |
| Jacob Warendorff | Deceased | 1859 | Rotterdam | Civil registration deaths |
| Jacob Warendorff | Child | 1856 | Rotterdam | Civil registration births |
| Johan Jacob Warendorff | Father | 1784 | Rotterdam | Church records baptisms |
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