King Arthur I of England (1486-1550), reigned from 1512, M. Catherine of Aragon (1485-1555), had issue
1. Princess Mary (1503-1556) M. King John III of Portugal (1502-1557), had issue
1 (A). Infante Joao (1522-1529)
1 (B). Infanta Maria Manuela (1525-1567) M. King Philip II of Spain (1527-1598)
1 (C). Infante Arturo, later King Arturo I of Portugal (1526-1580) M. Infanta Joanna of Spain [1] (1527-1576)
1 (D). Infante Manuel of Portugal, Duke of Viseu (1528-1576) M. Lady Katherine Tudor (1529-1570)
2. Prince Henry (1505-1507)
3. Princess Margaret (1507-1559) M. King James V of Scotland [2] (1507-1562), had issue
3 (A). Prince Arthur, later King Arthur I of Scotland (1524-1568) M. Marguerite of Valois (1523-1574)
3 (B). Princess Margaret of Scotland (1525-1559) M. King Francis II of France (1518-1560) [3]
3 (C). Prince James, Duke of Albany (1527-1570) M. Lady Sybille Tudor (1530-1580)
4. Prince Henry, later King Henry VIII (1509-1564), reigned from 1550, M. Catherine of Austria (1507-1574), had issue
4 (A). Princess Katherine of England (1526-1555), never married became a Nun.
4 (B). Prince Henry (1528-1550)
4 (C). Prince Arthur (1530-1545)
4 (D). Princess Elizabeth (1532-1550)
4 (E). Prince Edward (1534-1556)
4 (F). Princess Joan, later Queen Joan I of England (1536-1606) M. Henry Tudor, Duke of Richmond (1532-1589)
5. Prince Edmund, Duke of Richmond (1512-1557) M. Sibylle of Cleves (1512-1555), had issue
5 (A). Lady Katherine Tudor (1529-1570) M. Infante Manuel of Portugal, Duke of Viseu (1528-1576)
5 (B). Lady Sybille Tudor (1530-1580) M. Prince James, Duke of Albany (1527-1570)
5 (C). Henry Tudor, Duke of Richmond (1532-1589) M. Queen Joan I of England (1536-1606)
6. Princess Elizabeth Tudor (1514-1559), became a Nun.
...
[1] An alt twin sister of King Philip II. Charles V still marries Isabella of Portugal here.
[2] An otl child who died young, here he lives.
[3] I kept Francis III of Brittany alive here.