Richard III of England

Siblings
1. Joan, Princess of York  (1438-38) (1 day)

2. Anne, Lady St. Leger  (1439-76) (37 years)

3. Henry, Prince of York  (1441-41) (1 day)

4. Edward IV, King of England  (1442-83) (41 years)

5. Edmund, Earl of Rutland  (1443-60) (17 years)

6. Elizabeth, Duchess of Suffolk  (1444-1503) (59 years)

7. Margaret, Duchess of Burgundy  (1446-1503) (57 years)

8. William, Prince of York  (1447-47) (1 day)

9. John, Prince of York  (1448-48) (1 day)

10. George, Duke of Clarence  (1449-78) (29 years)

11. Thomas, Prince of York  (1451-51) (1 day)

12. Ursula, Princess of York  (1455-55) (1 day)