| Name | Role | Place | Source | |
|---|---|---|---|---|
| Adrianus Roelof v Leeuwen | Registered | 1839 | Amsterdam | Population register |
| Adrianus Roelof v Leeuwen | Registered | 1839 | Amsterdam | Population register |
| Cornelis Roelof v. Leeuwen | Registered | 1856 | Utrecht | Population register |
| Cornelis Roelof v. Leeuwen | Registered | 1817 | Utrecht | Population register |
| Roelof Adrianus v Leeuwen | Registered | 1859 | Amsterdam | Population register |
| Roelof Adrianus v Leeuwen | Registered | 1839 | Amsterdam | Population register |
| Roelof v. Leeuwen | Father | 1901 | Vinkeveen | Church records baptisms |
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