Theon Greyjoy is the only son and heir to Lord Balon Greyjoy of the Iron Islands. He served as a ward for the Starks after his father's failed rebellion against the previous king Robert Baratheon. Despite being a hostage, the Starks treated him nicely and he developed a close relationship Show more... with the family. Theon turned his back from the Starks during Robb's war against the Lannisters. However, his men betrayed him and sent him to be tortured by the Bastard of Bolton.