| John de Beaumont & Eleanor Plantagenet | |
| Husband | Wife |
| John de Beaumont | Eleanor Plantagenet |
|
b: 1327 d: 10 May 1342 |
b: Abt 1311 Grismond Castle, Monmouthshire, England d: 11 Jan 1372 |
| Parents | |
| Henry de Beaumont (1300 - ) | Tortcol / (1281 - 1345) |
| Alice Comyn (1300 - ) | Maud de Chaworth (1282 - Dec 1322) |
| Grand Parents | |
| Alexander Comyn (1217 - ) | Sir Patrick de Chaworth (1260 - 1283) |
| Elizabeth de Quincy (1214 - 1282) | Isabel de Beauchamp (1252 - May 1306) |
| Children (Family Detail) | |
| Henry de Beaumont | - b: 1340 Brabant, Belgium |