He knows that Bran is alive. A few season ago Samwell Tarly ran into Bran heading back from the wall and told Jon that he saw him before he left to Oldtown. This is show-canon only. In the books this didn't happen.Swirls wrote:Does Jon know Bran is back, though? He arrived at Winterfell after Jon had left. As far as he knows (to my knowledge), Bran is dead.thrill wrote:On the preview it looks like he's standing on the beach when she parks Drogon right in front of him and then he's in the map table room giving a debrief about Bran's vision of the army of the dead marching on East Watch. Dany & Varys are visible in fram. He says Bran "saw" because he's still obviously uncomfortable explaining the supernatural aspects of his story, despite dragons, resurrection, wights, white walkers, wargs, and the 3 eyed raven.
Jon doesn't know that Bran is in Winterfell unless a raven tells him.