Why is a Duke higher than a prince?

Related questions

1. What is full form security?
2. What is CCTV and its uses?
3. Can you call a woman sir?
4. What are the types of computer security risks?
5. How many types of security are there?
6. What is full from of CCTV?
7. What's the difference between Duchess and Princess?
8. What is the full form of safety?
9. What is full form fire?
10. What is the full form of life?

Tags

1. #marrying
2. #european
3. #royal
4. #becoming
5. #possessing
6. #possibility
7. #nobility
8. #princess
9. #usually
10. #daughters
11. #highest
12. #below
13. #queen
14. #title
15. #prince
16. #later
17. #commoner
18. #princesses
19. #monarch
20. #granddaughters
21. #woman
22. #traditionally