| Isabel de Beaumont | ||
| ∞ | ||
| Henry of Grosmont
* ~1310 † 1361 | ||
| Blanche of Lancaster
* 1345 † 1368 | ||
| ∞ 1359 | 
| |
John of Gaunt
![[mer]](up.png)
* 1340 † 1399 | ||
| Philippa of Lancaster
* 1360 † 1415 | ||
| ∞ 1387 | ||
| João I de Portugal
* 1357 † 1433 | ||
| Branca de Portugal
* 1388 † 1389 | ||
| Afonso de Portugal
* 1390 † 1400 | ||
| Duarte I de Portugal
* 1391 † 1438 | ||
| >> | ||
| Pedro de Coimbra
* 1392 † 1449 | ||
| >> | ||
| Enrique de Portugal
* 1394 † 1460 | ||
| Isabel de Portugal
* 1397 † 1471 | ||
| >> | ||
| Branca de Portugal | ||
| João de Portugal
* 1400 † 1442 | ||
| >> | ||
| Fernando de Avis
* 1402 † 1443 | ||
| John of Lancaster
* 1362 † ~1365 | ||
| Elizabeth of Lancaster
* 1364 † 1426 | ||
| Edward of Lancaster
* 1365 † ~1365 | ||
| John of Lancaster
* 1366 † ~1367 | ||
| Henry IV of England
* 1367 † 1413 | ||
| ∞ 1381 | |
| Mary de Bohun
* ~1368 † 1394 | ||
| Edward of Lancaster
* 1382 † 1382 | ||
|
| ||
| Henry V of England
* 1386 † 1422 | ||
|
| >> | |
| Thomas Duke of Clarence
* 1387 † 1421 | ||
|
| ||
| John of Lancaster
* 1389 † 1435 | ||
|
| ||
| Humphrey Duke of Gloucester
* 1390 † 1447 | ||
|
| ||
| Blanche of England
* 1392 † 1409 | ||
|
| >> | |
| Philippa of England
* 1394 † 1430 | ||
|
| ||
| Isabel of Lancaster
* 1368 † 1368 | ||