The illegitimate son of Lord Eddard, who is the same age as Robb Stark and has a close brotherly relationship.
The identity of his mother is unknown, and Duke Eddard refuses to reveal it to anyone - some say she is a noble lady from a certain southern family, while others say she is an ordinary maid.
As an illegitimate son, Jon was treated well by his father and grew up as an equal with his other brothers and sisters.
Jon inherited the characteristics of his father's family, with brown hair and black eyes.