Is Sabo Luffy's real brother?

Related questions

1. What's the strongest devil fruit?
2. Is Ace stronger than Luffy?
3. Will Luffy defeat Kaido?
4. What happens if you eat two devil fruits?
5. Does Sabo join Luffy's crew?
6. Will carrot join the crew?
7. Is Luffy related to Shanks?
8. Is law a straw hat?
9. Is Shanks Luffy's brother?
10. Does Jinbei join Luffy's crew?

Tags

1. #family
2. #brother
3. #someone
4. #relashionship
5. #exchange
6. #luffy
7. #japan
8. #brothers
9. #become
10. #exchanged
11. #monkey
12. #roger
13. #symbolic
14. #nobles
15. #blood
16. #culture
17. #obtained
18. #comes
19. #dragon