| Name | Role | Place | Source | |
|---|---|---|---|---|
| Bastiaan Teunis de Keyzer | Registered | 1890 | Beesd | Population register |
| Jan Teunis de Keyzer | Registered | 1767 | Werkendam | Population register |
| Teunis de Keyzer | Registered | 1882 | Haarlem | Index on convicts |
| Teunis de Keyzer | Registered | 1882 | Haarlem | Index on convicts |
| Teunis de Keyzer | Deceased | 1903 | Nieuwland | Civil registration deaths |
| Teunis de Keyzer | Registered | 1869 | Werkendam | Population register |
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