| Name | Role | Place | Source | |
|---|---|---|---|---|
| Cornelis Johannes Josephus Maria van Leeuwen | Registered | 1896 | Haarlem | Index on convicts |
| Cornelis Johannes Josephus Maria van Leeuwen | Registered | 1896 | Haarlem | Index on convicts |
| Cornelis Josephus Maria van Leeuwen | Registered | Delft | Population register | |
| Cornelis Josephus Maria van Leeuwen | Child | 1883 | Delft | Civil registration births |
| Cornelis Josephus Maria van Leeuwen | Deceased | 1883 | Delft | Civil registration deaths |
| Josephus Cornelis Franciscus Maria van Leeuwen | Registered | 1913 | 's-Gravenhage | Population register |
| Josephus Maria Cornelis Johannes van Leeuwen | Registered | 1872 | Utrecht | Population register |
| Josephus Maria Cornelis Johannes van Leeuwen | Registered | 1826 | Leiderdorp | Population register |
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