Jon Snow is a character.
Jon Snow is a fictional character in the A Song of Ice and Fire series of fantasy novels by American author George R. R. Martin , and its television adaptation Game of Thrones . Jon is introduced in 1996 's A Game of Thrones as the illegitimate son of Ned Stark , the honorable lord of Winterfell , an ancient fortress in the North of the fictional kingdom of Westeros . His storyline follows the character 's plot arc from the novel series , though season 6 of the TV adaptation continued on from the events of Martin 's latest published installment .