Joanna of Castile (1367-1374) youngest legitimate daughter of Henry II of Castile survives to adulthood and marries John I of Aragon as his second wife.
Joanna of Castile (1367-1414) m. John I (1350-1396) King of Aragon
1) James III (1384-1428) King of Aragon 1396, King of Navarre
iure uxoris 1425, m. Blanche of Navarre (1387-1441)
1) John II (1405-1459) King of Aragon 1428, King of Navarre 1441, m. Agnes of Burgundy (1407-1476)
1) Blanche (1427-1479) m. Edward II of Portugal (1418-1469) see below
2) James (1429-1435)
3) Joanna (1431)
4) John (1433-1434)
5) Charles (1435)
6) James IV (1437-1494) King of Aragon and Navarre 1459, m. ?
7) Maria (1439-1442) m. Charles the Bold (1433-1477) Duke of Burgundy
8) John (1441-1487)
2) James (1407)
3) Joanna (1409-1442) m. Martin II of Sicily (1404-1459) see below
3) Peter (1410)
4) James (1412-1413)
2) Eleanor (1386-1427) m. Martin I (1374-1409) King of Sicily
1) Martin II (1404-1459) King of Sicily 1409, m. a) Joanna of Aragon (1409-1442) b) Catherine Visconti* (1430-1486)
2) James (1406)
3) Maria (1408-1460) m. Charles IV** (1404-1456) King of Naples 1414, King of Hungary 1439
3) John (1388)
4) Alfonso (1391)
5) Joanna (1393-1450) m. Edward I (1391-1438) King of Portugal
1) John (1416-1421)
2) Edward II (1418-1449) King of Portugal 1438, m. Blanche of Aragon (1427-1479) see above
3) Afonso (1419-1420)
4) Philippa (1422-1493) m. Henry VI (1421-1475) King of England
5) Isabella (1424-1473) m. Henry IV (1425-1474) King of Castile
6) John II (1427-1483) King of Portugal 1449, m. Beatrice of Portugal (1430-1506)
* Daughter of Filippo Maria Visconti
** Son of Ladislaus of Naples and Mary of Cyprus