| Name | Role | Place | Source | |
|---|---|---|---|---|
| Arie Sebastiaan Leonardus Gerardus van Leeuwen | Deceased | 1873 | Delft | Civil registration deaths |
| Cornelis Sebastiaan/Cornelis Cebastiaan van Leeuwen | Partner | 1966 | Schiedam | Civil registration deaths |
| Cornelis Sebastiaan/Cornelis Cebastiaan van Leeuwen | Father of bride | 1940 | Schiedam | Civil registration marriages |
| Sebastiaan Franciscus Josephus van Leeuwen | Father of groom | 1865 | Amsterdam | Civil registration marriages |
| Sebastiaan van Leeuwen | Deceased | 1889 | Dordrecht | Civil registration deaths |
| Sebastiaan van Leeuwen | Deceased | 1889 | Dubbeldam | Civil registration deaths |
| Sebastiaan van Leeuwen | Deceased | 1889 | Dubbeldam | Civil registration deaths |
| Sebastiaan van der Leeuwen | Lidmaat | 's-Gravenhage | DTB Lidmaten | |
| Theodorus Sebastiaan Gerardus van Leeuwen | Registered | 1913 | 's-Gravenhage | Population register |
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