| Maria de Portugal | f 1313 | d 1357 | |
| & Alfonso XI de Castilla | f 1311 | d 1350 | |
| Fernando de Castilla | f 1332 | d 1333 | |
| Pedro I de Castilla | f 1334 | d 1369 | |
| & Maria de Padilla | |||
| Beatriz de Castilla | f 1353 | d 1369 | |
| Constanza de Castilla | f 1354 | d 1394 | |
| & John of Gaunt | f 1340 | d 1399 | |
| Catherine of Lancaster | >> | f 1373 | d 1418 |
| John of Lancaster | f 1374 | d 1375 | |
| Isabel de Castilla | f 1355 | d 1392 | |
| & Edmund of Langley | f 1341 | d 1402 | |
| Edward of Norwich | f ~1373 | d 1415 | |
| Constance of York | >> | f ~1374 | d 1416 |
| Richard of Conisburgh | >> | f 1385 | d 1415 |
| Alfonso de Castilla | f 1359 | d 1362 |
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