| Name | Role | Place | Source | |
|---|---|---|---|---|
| Evert Jan Jakob Docters van Leeuwen | Registered | Nederlands-Indië | Studbooks | |
| Evert Jan Jakob Docters van Leeuwen | Registered | 's-Gravenhage | Studbooks | |
| Jan Jakob van Leeuwen | Deceased | 1965 | Assen | Civil registration deaths |
| Jan Jakob van Leeuwen | Father of bride | 1848 | Rotterdam | Civil registration marriages |
| Jan Jakob van Leeuwen | Father of bride | 1848 | Rotterdam | Civil registration marriages |
| Jan Jakob van Leeuwen | Father | 1828 | Pernis | Civil registration births |
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