Commune/Paroisse : On [Luxembourg]
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | RAHIER | 1906 | 1 | - |
| 2. | RAMELOT | 1892 | 1 | - |
| 3. | RASQUIN | 1870 | 1 | - |
| 4. | RAUW | 1942 | - | 1 |
| 5. | REGNIER | 1860 | - | 1 |
| 6. | REMACLE | 1891-1943 | 1 | 1 |
| 7. | REMY | 1885-1945 | 4 | 4 |
| 8. | RENARD | 1919-1925 | 2 | - |
| 9. | RENAUDIN | 1943 | - | 1 |
| 10. | RENKIN | 1927 | - | 1 |
| 11. | RENOY | 1947 | 1 | - |
| 12. | REYS | 1835 | 1 | - |
| 13. | RICHTER | 1856 | 1 | - |
| 14. | ROBERT | 1831-1940 | 16 | 22 |
| 15. | ROBILLARD | 1932 | 1 | - |
| 16. | ROCHETTE | 1901-1911 | 1 | 1 |
| 17. | ROCK | 1914-1938 | 2 | - |
| 18. | RODRIQUE | 1947 | - | 1 |
| 19. | ROMAIN | 1892-1922 | 3 | - |
| 20. | RONDEAU | 1847 | - | 1 |
| 21. | RONDEAUX | 1804 | 1 | - |
| 22. | RONDELET | 1928 | 1 | - |
| 23. | ROSIUS | 1897 | 1 | - |
| 24. | ROTH | 1887 | 1 | - |
| 25. | ROUCHAUX | 1933 | 1 | - |
| 26. | ROUSSIAUX | 1802-1876 | 7 | 4 |
| 27. | RUCHENNE | 1935 | 1 | - |
| 28. | RULMONT | 1929-1933 | - | 2 |