How did Jon Snow's real father died?

Related questions

1. Who ordered to kill Bran Stark?
2. Will Jon ride a dragon?
3. What is Jon Snow's true name?
4. Is Jon Snow King Robert's son?
5. Is Jon Snow Stark and Baratheon?
6. Who will ride the three dragons?
7. Is Jon Snow mom Lyanna Stark?
8. Can Jon Snow Warg into ghost?
9. Is rhaegar targaryen Jon Snow's father?
10. Did Benjen know about Jon Snow?

Tags

1. #shows
2. #reuniting
3. #tower
4. #season
5. #robert
6. #promise
7. #dying
8. #finale
9. #protect
10. #lyanna
11. #winter
12. #rhaegar
13. #childbirth
14. #killed
15. #stark
16. #makes
17. #vision
18. #battle
19. #winds
20. #which