Catelyn Stark, nee Tully, is a major character in the first, second and third seasons. She is played by starring cast member Michelle Fairley, and debuts in the series premiere. She was played in the unaired pilot by Jennifer Ehle but the role was recast. Catelyn is from House Tully and married into House Stark. She is a devoted mother and is fiercely protective of her children. Her husband, Eddard Stark, is the Lord paramount of the North. He becomes Hand of the King to Robert Baratheon and travels south to the capital. Following an assassination attempt on her son Bran, she follows Eddard to warn him that House Lannister were involved. On her return journey she chances upon Tyrion Lannister and takes him into custody. This incites further conflict between the houses and Eddard is arrested for treason when Cersei Lannister becomes queen regent following the unexpected death of Robert. Catelyn is forced to release Tyrion when he proves his innocence in a trial by combat. She joins her son, Robb Stark, who has gathered the Stark banners to fight for Eddard's freedom. Eddard is executed on the order of King Joffrey Baratheon and Catelyn promises Robb that they will avenge him. While at the wedding of her brother to Roslin Frey, Catelyn is killed along with her son, his wife, and most of the Stark bannermen.