Why did Cleopatra marry her brother?

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Tags

1. #ptolemy
2. #lovers
3. #queen
4. #followed
5. #roman
6. #caesar
7. #support
8. #brother
9. #tradition
10. #reinstalled
11. #keeping
12. #father
13. #cleopatra
14. #married
15. #exiled
16. #became
17. #military
18. #egyptian
19. #regent