Scenario: Jasper Tudor has a son with Catherine Woodville.
Jasper Tudor,
Duke of Bedford, Earl of Pembroke (b.1431: d.1495) m. Catherine Woodville c.1458: d.1497) (a)
1a) Owen Tudor, Duke of Bedford, Earl of Pembroke (b.1488: d.1551) m. Margaret Neville (b.1495: d.1531) (a), Maud Percy (c.1500: d.1560) (b)
1a) Mary Tudor (b.1514: d.1519)
2a) Elizabeth Tudor (b.1517: d.1598) m. Henry Fitzroy, Duke of Richmond and Somerset (b.1519: d.1536) (a)
1a) Philippa Fitzroy (b.1536: d.1610) m. Henry Parker, Baron Morley (b.1533: d.1577) (a)
1a) Catherine Parker (b.1553)
2a) Stillborn Son (c.1555)
3a) Charles Parker, Duke of Richmond (b.1556)
4a) Frances Parker (b.1558)
5a) Henry Parker, Earl of Somerset (b.1559)
6a) Mary Parker (b.1561)
7a) Stillborn Daughter (c.1562)
8a) Margaret Parker (b.1564: d.1566)
9a) Francis Parker (b.1565: d.1566)
10a) Joan Parker (b.1567)
11a) Sir George Parker (b.1570)
3a) Edward Tudor, Earl of Pembroke (b.1519: d.1539) m. Mary Howard (b.1519: d.1557) (a)
- had no issue
4a) Catherine Tudor (b.1523: d.1565) m. Henry Clifford, Earl of Cumberland (b.1517: d.1570) (a)
1a) Helen Clifford (b.1550: d.1592) m. Thomas Howard, Duke of Norfolk (b.1536: d.1572) (a), Edward de Vere, Earl of Oxford (b.1550: d.1604) (b)
- had no issue
2a) David Clifford (b.1553: d.1555)
3a) Bridget Clifford (b.1554: d.1610) m. William Cavendish, Earl of Devonshire (b.1552: d.1626) (a)
1a) Elizabeth Cavendish (b.1575)
2a) Bridget Cavendish (b.1577)
3a) Stillborn Son (c.1578)
4a) Katherine Cavendish (b.1580)
5a) Edward Cavendish, Earl of Devonshire (b.1581)
6a) Sir Gilbert Cavendish (b.1582)
7a) Stillborn Son (c.1584)
5a) Stillborn Son (c.1525)
6a) Margaret Tudor (b.1527: d.1527)
7a) Edmund I, King of England and Ireland (b.1528: d.1575) m. Elizabeth Tudor (b.1533: d.1603) (a)
1a) Henry Tudor, Prince of Wales (b.1553: d.1559)
2a) Margaret Tudor, Princess of England and Ireland (b.1555: d.1590) m. Francis, Duke of Anjou (b.1555: d.1584) (a)
1a) Stillborn Son (c.1580)
2a) Elisabeth Marie de Valois, Mademoiselle d'Anjou (b.1583)
3a) Owen Tudor, Duke of York (b.1556: d.1559)
4a) George I, King of England and Ireland (b.1558: d.1610) m. Catherine de Bourbon, Princess of Navarre (b.1559: d.1604) (a)
1a) Margaret Tudor, Princess of England and Ireland (b.1590)
2a) Henry IX, King of England and Ireland (b.1592)
3a) Jasper Tudor, Duke of Somerset (b.1595: d.1602)
5a) Edward Tudor, Duke of York (b.1562: d.1617) m. Sigrid of Sweden (b.1566: d.1633) (a)
1a) Anne Tudor (b.1597: d.1599)
2a) Sigismund Tudor, Duke of York (b.1598)
3a) Mary Tudor (b.1600: d.1600)
4a) Karin Tudor (b.1602)
5a) Henry Tudor, Duke of Bedford (b.1604)
6a) Frances Tudor, Princess of England and Ireland (b.1566: d.1599) m. Edmund Howard, Duke of Norfolk (b.1557: d.1595) (a)
1a) Mary Howard (b.1584)
2a) Elizabeth Howard (b.1587)
3a) Thomas Howard (b.1590: d.1590)
4a) Barbara Howard (b.1593)
8a) Cecily Tudor (b.1530: d.1530)
9b) Jasper Tudor, Earl of Lincoln (b.1535: d.1555)
- never married, had no issue
10b) Stillborn Son (c.1537)