Even if Stannis survives winter and defeats the Boltons and Freys in the North, I have a hunch that he is going to meet his red god before he can seat his puckered arse on the Iron throne. (There are already so many new claimants...one with dragons itself... and lets admit, no one wants him and his obnoxious wife ruling the Seven Kingdoms.)
Say he dies, who will become the next Lord Baratheon? If he dies no one would call his daughter heir to the throne as he was supposed to be Azor Azhai r
You need a re-read immediately if you still think that he's doing that, @Nevets. He's Ser Gendry of the Hollow Hill now.
WHO ALL KNOW.....
Stannis. Went with [Jonarryn]
Tobho mott, MUST know.
[Ned]
Brienne
Thoros, (he was at court for too long and too close with Robert to not know. Now with BwB, it is all but confirmed for him)
Arya suspects. During the Cersei-Gold cloak incident and Tansy's Peaches incident and a few more incidents which I forgo