<P> Robb is portrayed by Scottish actor Richard Madden in the HBO television adaptation . </P> <P> Robb is fourteen years old at the beginning of A Game of Thrones (1996). He is the eldest son of Eddard "Ned" Stark and his wife Catelyn, and has five siblings: Sansa, Arya, Bran, Rickon, and the illegitimate half - brother Jon Snow . Robb is constantly accompanied by his direwolf, Grey Wind . </P> <P> Robb is the eldest legitimate son of Lord Eddard Stark, and heir to Winterfell . When Lord Eddard relocates to King's Landing to become the King's Hand, Robb remains at Winterfell to rule in his father's stead . When Eddard is beheaded by Ser Ilyn Payne, Robb is declared King in the North by his bannermen rather than swear fealty to the Lannister king, Joffrey Baratheon, drawing the lords of the North and of the Riverlands to his cause . Despite displaying a proficiency in military tactics in his victories against the Lannisters, he makes numerous political and strategic errors, culminating into his betrayal and murder by disgruntled allies Walder Frey and Roose Bolton, all under discreet command of Tywin Lannister at the wedding of his uncle, Edmure Tully, to Frey's daughter Roslin . </P> <P> Robb Stark is not a point of view character in the novels, so his actions are witnessed and interpreted through the eyes of other people, such as his mother and Theon Greyjoy . Robb is mostly a background character in the novels . </P>

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