3 Reasons Game of Thrones Is About to Reveal Jon Snow's Real Parents

Up until now, we haven't heard much about Ned's sister on the show. As Bran notes on the episode, Ned rarely spoke about her. What we do know is that she is widely speculated to be Jon Snow's real mother, while Rhaegar Targaryen would be his father. The theory is known as "R + L = J," and it makes a lot of sense. So, why introduce Lyanna now? Could it be because the creators are finally going to reveal that she is Jon Snow's mother?