Commune/Paroisse : Orbais (EC) [Brabant wallon]
| Patronymes | Périodes | Actes | |
|---|---|---|---|
| 1. | SAINTELET | 1818-1910 | 17 |
| 2. | SAINTROND | 1798-1856 | 26 |
| 3. | SAMBREE | 1850 | 1 |
| 4. | SEHA | 1877-1899 | 9 |
| 5. | SELSA | 1895 | 1 |
| 6. | SEMAL | 1839-1909 | 18 |
| 7. | SENTELET | 1800-1804 | 3 |
| 8. | SIMAL | 1877-1911 | 2 |
| 9. | SINTELET | 1797 | 1 |
| 10. | SPRIMONT | 1809-1827 | 7 |
| 11. | STERBECK | 1835 | 1 |
| 12. | STEVENART | 1799 | 1 |
| 13. | STEVENARTS | 1797 | 1 |
| 14. | STIENON | 1892-1911 | 3 |
| 15. | STREYCKMANS | 1849 | 1 |
| 16. | SUINTELET | 1838 | 1 |