| Name | Role | Place | Source | |
|---|---|---|---|---|
| Dirk Wouter van Alphen | Owner / proprietor | 1832 | Delft | Cadastre |
| Dirk Wouter van Alphen | Father | 1841 | Rotterdam | Civil registration deaths |
| Dirk Wouter van Alphen | Witness | 1792 | Delft | Church records baptisms |
| Dirk Wouter van Alphen | Child | 1792 | Delft | Church records baptisms |
| Dirk Wouter van Alphen | Registered | 1913 | 's-Gravenhage | Population register |
| Dirk Wouter van Alphen | Father | 1841 | Rotterdam | Civil registration deaths |
| Dirk Wouter van Alphen | Child | 1905 | 's-Gravenhage | Civil registration births |
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