| Name | Role | Place | Source | |
|---|---|---|---|---|
| Louis Joseph Léon Norbert Aarin Jacobs | Father | 1905 | Heverlee | Civil registration births |
| Louis Joseph Léon Norbert Aaron Jacobs | Father | 1910 | Heverlee | Civil registration births |
| Louis Joseph Léon Norbert Aaron Jacobs | Father | 1908 | Heverlee | Civil registration births |
| Louis Joseph Léon Norbert Aaron Jacobs | Groom | 1904 | Leuven | Civil registration marriages |
| Louis Joseph Léon Norbert Aaron Jacobs | Father | 1907 | Heverlee | Civil registration births |
| Marie Louis Guillaume Norbert Jacobs | Registered | 's-Gravenhage | Studbooks | |
| Norbert Louis Jacobs | Witness | 1896 | Laken | Civil registration marriages |
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