Mariages
Commune/Paroisse : Biaudos [Landes] 
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | DUP... | 1676 | 1 | - |
| 2. | DUPÉ | 1694-1925 | 3 | 4 |
| 3. | DUPÉE | 1680-1794 | 2 | 4 |
| 4. | DUPETIT | 1896 | - | 1 |
| 5. | DUPIN | 1718-1806 | - | 2 |
| 6. | DUPLACEAU | 1934 | - | 1 |
| 7. | DUPLAN | 1703 | - | 1 |
| 8. | DUPLÉ | 1778-1926 | 1 | 2 |
| 9. | DUPLEIX | 1929 | 1 | - |
| 10. | DUPOURTAU | 1717-1821 | 1 | 2 |
| 11. | DUPOUY | 1684-1893 | 3 | - |
| 12. | DUPOY | 1682 | 1 | - |
| 13. | DUPRAT | 1826 | - | 1 |
| 14. | DUPRE | 1675-1875 | 6 | 6 |
| 15. | DUPREUIL | 1807 | 1 | - |
| 16. | DUPREUILH | 1830-1854 | 2 | 1 |
| 17. | DUPRUIL | 1836 | 1 | - |
| 18. | DUPRUILH | 1666-1858 | 15 | 8 |
| 19. | DUPUY | 1669-1910 | 5 | 5 |