Which characters are like the series?
Asher Forrester = Jon Snow (both black sheeps in their families)
Ethan Forrester = Eddard Stark and Robb Stark (both dramatically killed off, he was also the son of a lord who suddenly became lord upon his father's death)
Gared Tuttle = Jon Snow and Theon Greyjoy (he was sent to the wall and serves the Forrester family in a similar manner that Theon served the Stark family)
Mira Forrester = Sansa Stark (lives in King's Landing in a similar position, though Mira is more proactive than Sansa)
Rodrik Forrester = Robb Stark and Bran Stark (son of a lord thrust into position to protect his family and a cripple)