| Duché | Dates d'existence* | % Correct |
|---|---|---|
| Bourgogne | 898-1477 | 91%
|
| Bretagne | 938-1547 | 91%
|
| Normandie | 911-1204 | 84%
|
| Aquitaine | 877-1453 | 83%
|
| Anjou | 1360-1481 | 59%
|
| Auvergne | 1360-1561 | 30%
|
| Berry | 1360-1505/1517-1601 | 28%
|
| Bourbon | 1327-1574 | 28%
|
| Alençon | 1414-1524 | 7%
|