Originally Posted by FatComputerNerd
We still don't know for sure as of the end of book 5, but general consensus on fan sites seems to be that R+L=J
I read all the books and thought I understood them, but I just googled "R+L=J" and this shit just blew my mind.
I need to go back and reread them now, I thought I was clever for catching the fact that the Hound was still alive. George RR Martin is a very clever writer, you have to pay close attention to catch these things.