This is a new video from Hybrid Network that takes a look at one of the big lingering questions remaining in Game of Thrones. That question is if Jon Snow is a legitimate son of Rhaegar Targaryen? The season six finally revealed that he was indeed the son of Rhaegar and Lyanna Stark and not actually Ned Stark's bastard son, proving a long standing fan theory. But does this lineage actually make him the rightful heir to the throne? Check out the video below.