Individual Details
Guillaume DE MERCOEUR
(Abt 1280 - Aft 1285)
Events
| Birth | Abt 1280 | France | |||
| Death | Aft 1285 |
Families
| Father | Bérault IX DE MERCOEUR (1239 - 1278) |
| Mother | Blanche DE CHÂLON (1245 - 1308) |
| Sibling | Yolande DE MERCOEUR (1266 - ) |
| Sibling | Alixende DE MERCOEUR (1278 - 1336) |