Mariages
Commune/Paroisse : Opont [Luxembourg] 
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | Balbeur | 1781-1817 | - | 3 |
| 2. | Balfroid | 1816 | - | 1 |
| 3. | Balleux | 1721 | - | 1 |
| 4. | Baret | 1841 | - | 1 |
| 5. | Barthelely | 1708 | 1 | - |
| 6. | Barthelemi | 1705 | 1 | - |
| 7. | Barthelemy | 1655-1764 | 2 | 5 |
| 8. | Basse | 1771 | 1 | - |
| 9. | Bastin | 1660-1803 | 2 | 2 |
| 10. | Baudet | 1863 | - | 1 |
| 11. | Belvaux | 1702-1783 | 1 | 6 |
| 12. | Bernard | 1918 | - | 1 |
| 13. | Bertholet | 1797 | 1 | - |
| 14. | Bertrand | 1688-1748 | 3 | - |
| 15. | Billy | 1767 | 1 | - |
| 16. | Blondelet | 1739 | 1 | - |
| 17. | Bodet | 1836-1920 | 1 | 1 |
| 18. | Bouillard | 1753 | 1 | - |
| 19. | Boulanger | 1849 | 1 | - |
| 20. | Bourguignon | 1723-1779 | 1 | 1 |
| 21. | Bourland | 1704-1744 | 2 | 1 |
| 22. | Bourloo | 1671 | 1 | - |
| 23. | Bourly | 1651 | 1 | - |
| 24. | Bourquelot | 1764 | 1 | - |
| 25. | Brasseur | 1658-1815 | 6 | 3 |
| 26. | Briard | 1849 | 1 | - |
| 27. | Buchou | 1713 | 1 | - |