Trastámara family tree
The house of Trastámara, 1358–1562: 47 members on the tree, 14 of whom reigned, and 24 marriages into other houses.
See them on the tree On the map Their thrones
Who reigned
| 1379–1390 | John I of Castile and Leon | Monarch of Castile and Leon |
| 1390–1407 | Enrique III of Castile | Monarch of Castile and Leon |
| 1407–1454 | John II of Castile | Monarch of Castile and Leon |
| 1412–1416 | Ferdinand I of Aragon | Monarch of the Crown of Aragon |
| 1412–1416 | Ferdinand I of Aragon | King of Sardinia |
| 1416–1458 | Alfonso V of Aragon | King of Sardinia |
| 1416–1458 | Alfonso V of Aragon | Monarch of the Crown of Aragon |
| 1425–1458 | John II of Aragon | Count of Ribagorza |
| 1425–1479 | John II of Aragon | King of Navarre (Iure uxoris) |
| 1436–1445 | Infante Henry, Duke of Villena | Count of Empúries |
| 1454–1474 | Henry IV of Castile | Monarch of Castile and Leon |
| 1458–1468 | John II of Aragon | King of Sicily |
| 1458–1479 | John II of Aragon | Monarch of the Crown of Aragon |
| 1458–1479 | John II of Aragon | King of Sardinia |
| 1458–1522 | Henry II of Aragon | Count of Empúries |
| 1458–1469 | Henry II of Aragon | Lord of Segorbe |
| 1458–1469 | Ferdinand II of Aragon | Count of Ribagorza |
| 1465–1468 | Alfonso | Monarch of Castile and Leon |
| 1469–1489 | Henry II of Aragon | Duke of Segorbe |
| 1474–1504 | Isabella I of Castile | Monarch of Castile and Leon |
| 1476–1504 | Ferdinand II of Aragon | King of Castile and León (Iure uxoris) |
| 1479–1516 | Ferdinand II of Aragon | Monarch of the Crown of Aragon |
| 1479–1516 | Ferdinand II of Aragon | King of Sardinia |
| 1504–1555 | Juana I of Castile | Monarch of Castile and Leon |
| 1516–1555 | Juana I of Castile | King of Sardinia |
| 1522–1563 | Alfonso d'Aragona | Duke of Segorbe |
Best known
- Isabella I of Castile 1451–1504
- Ferdinand II of Aragon 1452–1516
- Catherine of Aragon 1485–1536
- Juana I of Castile 1479–1555
- Alfonso V of Aragon 1396–1458
- Henry IV of Castile 1425–1474
- John II of Castile 1405–1454
- John II of Aragon 1398–1479
- Enrique III of Castile 1379–1407
- Isabel of Aragon 1470–1498
- Ferdinand I of Aragon 1380–1416
- Ferdinand I of Naples 1423–1494
- John I of Castile and Leon 1358–1390
- Maria of Aragon 1482–1517
- Joanna la Beltraneja 1462–1530
- Eleanor of Aragon 1402–1445
- Blanche II of Navarre 1424–1464
- Leonor I of Navarre 1426–1479
- Alfonso II of Naples 1448–1495
- Beatrice of Naples 1457–1508
Married into
- Aviz 7 marriages
- Capet 2 marriages
- Sforza 2 marriages
- Habsburg 2 marriages
- Borgia 2 marriages
- Tudor 2 marriages
- Barcelona 1 marriage
- Burgundy 1 marriage
- Lancaster 1 marriage
- Burgundy-Ivrea 1 marriage
- Este 1 marriage
- Savoy 1 marriage
Everyone on the tree
- John I of Castile and Leon 1358–1390
- Eleanor of Castile, Queen of Navarre 1360–1416
- Eleanor of Alburquerque 1374–1435
- Enrique III of Castile 1379–1407
- Ferdinand I of Aragon 1380–1416
- Alfonso V of Aragon 1396–1458
- John II of Aragon 1398–1479
- Infante Henry, Duke of Villena 1400–1445
- Maria of Castile, Queen of Aragon 1401–1458
- Eleanor of Aragon 1402–1445
- Infanta Catherine, Duchess of Villena 1403–1439
- Maria of Aragon 1403–1445
- John II of Castile 1405–1454
- Infante Peter, Count of Alburquerque 1406–1438
- Charles, Prince of Viana 1421–1461
- Catherine 1422–1424
- Ferdinand I of Naples 1423–1494
- Infanta Leonor of Castile 1423–1425
- Blanche II of Navarre 1424–1464
- Henry IV of Castile 1425–1474
- Leonor I of Navarre 1426–1479
- Lucrezia d'Alagno 1430–1479
- Henry II of Aragon 1445–1522
- Alfonso II of Naples 1448–1495
- Eleanor of Naples, Duchess of Ferrara 1450–1493
- Frederick IV of Naples 1451–1504
- Isabella I of Castile 1451–1504
- Ferdinand II of Aragon 1452–1516
- Alfonso 1453–1468
- Joanna of Aragon, Queen of Naples 1454–1517
- Beatrice of Naples 1457–1508
- Joanna la Beltraneja 1462–1530
- Ferdinand II of Naples 1467–1496
- Isabella of Naples 1470–1524
- Alonso de Aragón 1470–1520
- Isabel of Aragon 1470–1498
- John, Prince of Asturias 1478–1497
- Sancha of Aragon 1478–1506
- Juana I of Castile 1479–1555
- Joanna of Naples 1479–1518
- Charlotte of Naples 1480–1506
- Alfonso of Aragon 1481–1500
- Maria of Aragon 1482–1517
- Catherine of Aragon 1485–1536
- Ferdinand, Duke of Calabria 1488–1550
- Alfonso d'Aragona 1489–1562
- Rodrigo of Aragon 1499–1512