Commune/Paroisse : Piétrebais - Chapelle-St-Laurent [Brabant Wallon]
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | SALMON | 1800-1881 | 2 | 1 |
| 2. | SALOMON | 1826 | 1 | - |
| 3. | SAMBAU | 1745 | - | 1 |
| 4. | SAMBRE | 1798 | - | 1 |
| 5. | SCHAILLEE | 1885 | - | 1 |
| 6. | SCHAYES | 1867-1898 | 4 | - |
| 7. | SCHODDUYN | 1887 | 1 | - |
| 8. | SCHOONEN | 1852 | 1 | - |
| 9. | SCLAVON | 1882 | 1 | - |
| 10. | SEMAL | 1896 | 1 | - |
| 11. | SENDEAU | 1672 | 1 | - |
| 12. | SENSIAU | 1744 | - | 1 |
| 13. | SEPTRION | 1868 | - | 1 |
| 14. | SERVAIS | 1825 | - | 1 |
| 15. | SERVAYE | 1851 | 1 | - |
| 16. | SEVERIN | 1896-1898 | - | 2 |
| 17. | SIMON | 1001-1822 | 6 | 8 |
| 18. | SIMONART | 1800 | - | 1 |
| 19. | SLACMOLDER | 1801-1895 | 1 | 1 |
| 20. | SLACMOLSER | 1788 | - | 1 |
| 21. | SLAGMOLDER | 1763-1880 | 3 | 3 |
| 22. | SMAYERS | 1780 | 1 | - |
| 23. | SMET | 1809-1895 | 8 | 6 |
| 24. | SMEYERS | 1806-1827 | - | 3 |
| 25. | SOIRON | 1650 | - | 1 |
| 26. | SONNON | 1868-1898 | 2 | - |
| 27. | SONON | 1892 | - | 1 |
| 28. | SPRIMONT | 1898 | - | 1 |
| 29. | STANCON | 1815 | - | 1 |
| 30. | STANDIS | 1626 | 1 | - |
| 31. | STENUICK | 1001 | 1 | - |
| 32. | STENUIT | 1807-1849 | 4 | 1 |
| 33. | STERCKX | 1799 | 1 | - |
| 34. | STIENLET | 1790-1865 | 2 | - |
| 35. | STRAET | 1878 | - | 1 |
| 36. | STRALE | 1836-1874 | 2 | 4 |
| 37. | SWILLE | 1876 | 1 | - |
| 38. | SWINNE | 1001-1877 | 3 | 1 |