(1) Everyone seems certain that the mother in Dany's vision in the House of the Undying was Elia. Does the timeline make it impossible for this to be Lyanna Stark? Where and how? (I'm not saying it doesn't, I'm just unclear.) that (2)Several people have mentioned a theory about Lyanna having twins, or at least that Jon can only be her son IF she had twins. Again, what and where is this in the text?