Is Meera Reed Jon Snow's sister?

Related questions

1. Why did rhaegar and Lyanna fall in love?
2. Who is heir Jon Snow or Daenerys?
3. Why did the mad king kill Stark?
4. Why is Jon the heir to the Iron Throne?
5. Who killed Neds sister?
6. Is Meera Jons sister?

Tags

1. #secretly
2. #theory
3. #always
4. #believers
5. #tower
6. #sister
7. #after
8. #meera
9. #stark
10. #strong
11. #return
12. #unlikely
13. #frankly
14. #dying
15. #lyanna
16. #unbelievable
17. #final
18. #season
19. #reveal
20. #still