| Name | Role | Place | Source | |
|---|---|---|---|---|
| Willem Joannes Julius Docters van Leeuwen | Registered | 's-Gravenhage | Studbooks | |
| Willem Joannes Julius Docters van Leeuwen | Child | 1834 | 's-Hertogenbosch | Civil registration births |
| Willem Joannes Julius Docters van Leeuwen | Military | Studbooks | ||
| Willem Joannes Julius Docters van Leeuwen | Father of bride | 1897 | Nijmegen | Civil registration marriages |
| Willem Joannes Julius Docters van Leeuwen | Registered | Amsterdam | Overgenomen delen | |
| Willem Joannes Julius Docters van Leeuwen | Father of groom | 1897 | Amsterdam | Civil registration marriages |
| Willem Joannes Julius Docters van Leeuwen | Deceased | 1890 | Stompwijk | Civil registration deaths |
| Willem Joannes Julius Docters van Leeuwen | Father | 1935 | Hilversum | Civil registration deaths |
| Willem Joannes Julius Docters van Leeuwen | Mention | 1897 | Nijmegen | Notarial records |
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