Eleanor of Portugal (1434-1483) m. Frederick III (1415-1493) Holy Roman Emperor
1) Christopher (1455-1456)
2) Maximilian (1459-1479) m. Mary of Burgundy (1457-1504)
1) Philip IV (1478-1506) Duke of Burgundy, m. Anne of England (1475-1511) [1]
3) Helene (1460-1462)
4) Kunigunde (1465-1520) m. Casimir IV [2] (1458-1504) King of Poland
1) Casimir V (1487-1527) King of Poland, m. Ursula of Brandenburg (1488-1541)
2) Vladislaus (1490)
3) Hedwig (1492-1496)
4) Vladislaus 1494-1500)
5) Elizabeth (1497)
5) John (1466-1526) Holy Roman Emperor 1493, m. a) Elizabeth of Poland (1472-1492) [3], b) Bianca Maria Sforza (1472-1511), c) Catherine of Mecklenburg (1487-1561)
1a) Eleanor (1490-1542) m. Philibert II (1480-1523) Duke of Savoy
2a) Elizabeth (1492-1497)
3b) Frederick IV (1496-1533) Holy Roman Emperor 1526, m. Anna of Bohemia and Hungary (1503-1556)
4b) Ernest (1499)
5b) Kunigunde (1504-1539) m. Louis II (1505-1550) King of Bohemia and Hungary
6b) Rudolf II (1506-1567) Holy Roman Emperor 1533, m. Anna of Cleves (1515-1557)
7b) Catherine (1509-1570) m. Casimir VI (1509-1563) King of Poland [4]
8c) Albert (1515-1536) Archduke of Styria
6) Catherine (1469-1533) m. Albert IV (1447-1508) Duke of Bavaria
1) Sidonie (1489-1554) m. Louis V (1478-1544) Elector Palatine
2) Sibylle (1491-1546) m. Ulrich (1487-1550) Duke of Würtemberg
3) Susanna (1494-1506)
4) William IV (1496-1529) Duke of Bavaria, m. Marie of Baden-Sponheim (1507-1580)
5) Louis X (1499-1556) Duke of Bavaria, m. Sophia of Poland (1513-1574) [4]
6) Sabina (1501-1564) m. Casimir (1483-1538) Margrave of Brandenburg-Kulmbach
7) Scholastica (1504-1551) m. Otto Henry (1502-1559) Count of Palatine-Neuburg
7) Leopold (1472-1474)
8) Margaret (1474-1527) m. Frederick III (1463-1525) Elector of Saxony
1) Margaret (1495-1570) m. Henry V (1479-1552) Duke of Mecklenburg
2) Elizabeth (1497-1540) m. Henry V (1489-1568) Duke of Brunswick-Wolfenbüttel
3) Ernest (1500-1503)
4) Frederick (1501)
5) Christina (1503-1508)
6) Catherine (1505-1559) m. Joachim II (1505-1573) Elector of Brandenburg
[1] House of York remains on the throne due to butterflies
[2] OTL Saint Casimir. He is IV, not V, because his father (known as IV IOTL), counted himself as III during his reign)
[3] Daughter of Casimir Jagiellon and Elizabeth Habsburg, IOTL died young.
[4] Children of Casimir V of Poland and Ursula of Brandenburg