The Stark children were all aged up for the series. At the start of George R.R. Martin's novels, Robb Stark and Jon Snow are 14 years old, Sansa Stark is 11, Arya is 9, Bran is 7, and Rickon Stark is just 3 years old. At the start of the series, Robb and Jon are 17, Sansa is 13, Arya is 11, Bran is 10, and Rickon is 6.