Mariages
Commune/Paroisse : Bierbeek [Vlaams Brabant] 
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | JACHTMANS (Leuven) | 1867 | 1 | - |
| 2. | JACHTMANS (Haesrode) | 1927 | 1 | - |
| 3. | JACOB (Leuven St Joseph) | 1920 | 1 | - |
| 4. | JACOBS (Lovenjoul) | 1899 | 1 | - |
| 5. | JACQMOTTE | 1821-1875 | 2 | 5 |
| 6. | JACQMOTTE (Lubbeeck) | 1842 | 1 | - |
| 7. | JACQMOTTE (Neervelp) | 1872 | 1 | - |
| 8. | JADOUL (Montenaken) | 1938 | - | 1 |
| 9. | JAEN (Leuven) | 1848 | - | 1 |
| 10. | JANSENS | 1919 | 1 | - |
| 11. | JANSSENS | 1827-1941 | 13 | 15 |
| 12. | JANSSENS (Lovenjoul) | 1819-1828 | 2 | - |
| 13. | JANSSENS (Lubbeeck) | 1862-1889 | 2 | - |
| 14. | JANSSENS (Opvelp) | 1817 | 1 | - |
| 15. | JANSSENS (Lovenjoel) | 1912-1916 | 2 | - |
| 16. | JANSSENS (Lovenjoul) | 1854 | - | 1 |
| 17. | JANSSENS (Opvelp) | 1941 | 1 | - |
| 18. | JARDINIER | 1837 | 1 | - |
| 19. | JARDINIER (Haesrode) | 1859 | - | 1 |
| 20. | JARDON | 1869 | - | 1 |
| 21. | JAUNET (Corbeeck Loo) | 1876 | - | 1 |
| 22. | JENA (trouvé à Blanden) | 1837 | 1 | - |
| 23. | JEUNIAU (Opvelp) | 1881 | 1 | - |
| 24. | JIROFLE | 1897-1924 | 1 | 1 |
| 25. | JOIE | 1836 | - | 1 |
| 26. | JONG (Heverlee) | 1870 | - | 1 |
| 27. | JONGBEYS | 1913-1931 | - | 3 |
| 28. | JONGBUYS | 1861-1904 | 1 | 5 |
| 29. | JONGBUYS (Neervelp) | 1844-1872 | 3 | - |
| 30. | JONNI (Leuven) | 1869 | 1 | - |
| 31. | JORIS (Neervelp) | 1819 | 1 | - |
| 32. | JOSSA (Kessel Lo) | 1920 | 1 | - |
| 33. | JOSSAERT | 1851-1860 | - | 3 |
| 34. | JOSSART (Tourinnes) | 1818 | 1 | - |
| 35. | JOSSART (Heverlee) | 1921 | 1 | - |
| 36. | JOVIN (Leuven) | 1858 | 1 | - |
| 37. | JUARD trouvé) | 1846 | 1 | - |
| 38. | JUCHTMANS (Haesrode) | 1925 | 1 | - |
| 39. | JUNE | 1866 | - | 1 |
| 40. | JUNIUS (trouvée) | 1844 | - | 1 |