POD, Richard of Gloucester dies in 1483, butterflying away his coup:
King Edward IV of England (1442-1483) M. Elizabeth Woodville (1437-1492), had issue
1. Elizabeth of York (1466-1521) M. Holy Roman Emperor Maximilian (1459-1518), had issue
1 A). Archduchess Eleanor of Austria (1487-1539) M. Sigismund I of Poland (1467-1548)
1 B). Archduchess Elisabeth of Austria (1489-1542) M. Vladislaus II of Hungary (1456-1516)
1 C). Frederick, Archduke of Inner Austria and Duke of Milan [1] (1492-1545) M. Bona Sforza (1494-1557)
1 D). Cardinal Maximilian, Archbishop of Vienna (1495-1569), never married
2. Cecily of York (1469-1521) M. Charles VIII of France (1470-1499), had issue
2 A). Princess Charlotte of France (1499-1539) M. Richard, Duke of Brittany (1500-1562)
3. King Edward V of England (1470-1524) M. Anne, Duchess of Brittany (1478-1527), had issue
3 A). King Edward VI of England (1493-1561) M. Infanta Isabella of Portugal (1498-1563) [2]
3 B). Princess Elizabeth of England (1496-1549) M. Holy Roman Emperor Charles V (1498-1558) [3]
3 C). Princess Anne of England (1498-1539) M. Ferdinand VI of Castile and Aragon (1498-1553)
3 D). Richard, Duke of Brittany (1500-1562) M. Charlotte of France (1499-1539)
4. Richard, Duke of York (1473-1519) M. Elizabeth Herbert (1476-1529), had issue
4 A). Edward, Duke of York (1497-1543) M. Elizabeth Grey, Viscountess Lisle (1500-1551) [4]
4 B). Richard, Earl of Pembroke (1500-1554) M. Anne Braye, Baroness Braye (1501-1558) [5]
4 C). Lady Elizabeth of York (1502-1553) M. Henry Stafford, Duke of Buckingham (1501-1563)
4 D). Lady Mary of York (1505-1553), became a Nun
5. Anne of York (1475-1526) M. James IV of Scotland (1473-1519), had issue
5 A). King James V of Scotland (1496-1552) M. Princess Marie of France (1499-1553) [6]
5 B). Prince Alexander, Duke of Lothian (1498-1543) M. Madeleine de la Tours (1497-1539)
5 C). Princess Margaret of Scotland (1501-1554) M. King Charles IX of France (1502-1559) [7]
6. Catherine of York (1478-1499) M. King John III of Castile and Aragon (1478-1523), had issue
6 A). King Ferdinand VI of Castile and Aragon (1498-1552) M. Anne of England (1498-1539)
7. Bridget of York (1480-1509), became a Nun
So just a new experiment with a slightly different format.
[1] Created as such by his nephew, Charles.
[2] Alt daughter of Isabella of Portugal and Manuel I
[3] Alt Eleanor of Austria, I know Isabella of Portugal is a more likely bride, but shh.
[4] An alt version of her OTL counterpart, I pushed her date of birth back 5 years for age reasons.
[5] Alt heiress of her Father
[6] Alt daughter of Louis XII and Maria of Aragon. The marriage occurs to make peace between France and Spain.
[7] Brother of Marie.