Arthur+Lyanna=Jon
It's not really much of a theory yet however I thought if anyone could help it would be here. Basically I'm saying that Rhaegar was acting as a match maker between Lyanna and Arthur because he knew Arthur needed to have a child for the battle for dawn. I couldn't really find much evidence to support my idea as most signs point to R+L=J but I thought it was worth discussing. It would help explain why the Daynes seem so accepting of Ned however it doesn't explain why the kings guard where at the T
I haven't read LmL's posts with the attention they deserve but I am intrigued by a description we get very early on in the first book, the looks of the woman with skin as white as the moon and eyes like blue stars. She looks like what I imagine a Dayne would look like, in the description of the eyes particularly (Edric's eyes are actually blue, close to violet, so we know Dayne's eye colour come in more than one variery of violet.) Why stars? And she's, of course, the corpse who was the Night Ki