| Name | Role | Place | Source | |
|---|---|---|---|---|
| Jacob Albert Joseph van Leeuwen | Decorated | 's-Gravenhage | Registration honors | |
| Jacob Albert Joseph van Leeuwen | Groom | 1942 | Rijswijk | Civil registration marriages |
| Jacob Albert Joseph van Leeuwen | Child | 1911 | Utrecht | Civil registration births |
| Jacob Albert Joseph van Leeuwen | Registered | 1911 | Utrecht | Population register |
| Jacob Albert Joseph van Leeuwen | Registered | 1900 | Utrecht | Population register |
| Jacob Albert Joseph van Leeuwen | Registered | 1862 | Utrecht | Population register |
| Jacob Albert van Leeuwen | Child | Leiderdorp | ||
| Jacob Albert van Leeuwen | Deceased | Leiderdorp |
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