Individual Details
Joan de Monthermer
(1299 - )
Events
| Birth | 1299 | ||||
| Death | England |
Families
| Father | Ralph Monthermer 1st Baron of Monthermer & 5th Lord of Glamorgan (1270 - 1325) |
| Mother | Lady Joan Plantaganet d'Acre Countess of Gloucester ( - ) |
| Sibling | Sir Thomas de Monthermer 2nd Baron de Monthermer (1301 - 1340) |
| Sibling | Edward Morthermer (1304 - 1337) |
| Sibling | Mary Monthermer (1298 - 1371) |