Commune/Paroisse : Lassigny
| Patronymes | Périodes | Actes | |
|---|---|---|---|
| 1. | REMOND | 1741 | 1 |
| 2. | RICHES | 1775-1777 | 3 |
| 3. | RINGARD | 1706-1713 | 5 |
| 4. | ROBBE | 1722-1784 | 10 |
| 5. | ROBBEE | 1786 | 1 |
| 6. | ROBECOURT | 2000 | 1 |
| 7. | ROBERT | 1709 | 1 |
| 8. | ROBIGUET | 1739-1740 | 2 |
| 9. | ROBIQUET | 1727-1735 | 4 |
| 10. | ROQUINCOURT | 1776 | 2 |
| 11. | ROUSSEL | 1774-1778 | 2 |