Following the Season 8 premiere of Game of Thrones, Jon Snow has to answer the eternal question: What do you do if you just found out the man you thought was your dad lied to you about your parentage and you are having sex with a woman who you learn is actually your aunt? Yes, Jon Snow finally knows that he's the son of Lyanna Stark and Rhaegar Targaryen, and he's mad, confused, and a little pouty.
He gets this info from his old friend Samwell Tarly, who confirmed these facts with vision-master Bran Stark. Sam decides to tell Jon the truth about his backstory after his own uncomfortable run in with Daenerys. Upon their meeting, she admits that she happened to burn Sam's brother and father alive when they refused to bend the knee to her. Sam's angry about that. Why? We're not really sure; in their meeting in Season 6, Randyll Tarly was an unrepentant dick to Sam, which led to him stealing the family Valyrian sword and leaving without saying goodbye to his dad or his brother. Still, he goes to Bran who informs him, kind of creepily, that it's time for Jon to hear the truth.
Sam meets up with his old pal in the crypts of Winterfell -- clearly the site of some major action this season -- to explain to him that he is not the bastard son of Eddard Stark, after all, but that he is, in fact, Aegon Targaryen, the true heir to the Iron Throne, by virtue of a secret wedding between Rhaegar Targaryen and Ned's sister, Lyanna Stark. This news leaves Jon bewildered, as one might expect. However, boning his aunt does not seem to be on his list of initial worries. Instead, he's concerned that his father, the man he considered the most noble man alive, lied to him for all these years. Defending the honor of a man who has been dead for many seasons now is all well and good, especially while standing next to his grave, but there are more pressing issues at hand.