Cregan Karstark
Cregan Karstark is the son of Arnolf Karstark, the castellan of Karhold, and a central figure in the struggle for control of the Karstark lands after the deaths of Lord Rickard Karstark and his sons during the War of the Five Kings. He appears as a determined, ruthless man who seeks to secure his family's power through a forced marriage to his niece, Alys Karstark, the rightful heir to Karhold. His actions bring him into direct conflict with Jon Snow, the Lord Commander of the Night's Watch, and ultimately lead to his imprisonment and the loss of his claim.
Pursuit and Confrontation at Castle Black
Cregan Karstark arrives at Castle Black a day behind his niece, Alys, accompanied by four mounted men-at-arms, a huntsman, and a pack of dogs, tracking her as if she were prey. Jon Snow intercepts them on the kingsroad before they can reach the castle and claim guest right. One of Cregan's men looses a crossbow quarrel at a ranger named Ty and is killed for it, leaving Cregan and his remaining four men to be taken into custody. Jon Snow confines them in the ice cells beneath the Wall, where the bitter cold begins to sap Cregan's strength.
Imprisonment and Refusal to Yield
Jon Snow visits Cregan in his ice cell after the wedding of Alys Karstark to Sigorn, the Magnar of Thenn. Cregan is defiant, accusing Jon of delivering a highborn maid to a "stinking savage" and threatening that the Thenns will be hacked to pieces if they come to Karhold. Jon offers him a way out: yield the castle to Lady Alys, and the men who betrayed her will be pardoned, while Cregan himself can take the black and have his crimes wiped away. Cregan refuses, insisting "Never, never, never." Jon leaves him in the cell, warning that King Stannis will have him put to death unless he wears a black cloak.
Thematic Significance
Cregan Karstark embodies the destructive ambition and rigid sense of entitlement that characterize many of the northern lords who seek to exploit the chaos following the War of the Five Kings. His refusal to accept Alys's rightful claim, even when faced with death, illustrates the deep-seated patriarchal norms and the lengths to which men will go to preserve their power. His imprisonment and eventual fate serve as a counterpoint to Jon Snow's efforts to forge new alliances and break old patterns of feuding, highlighting the tension between the old ways of the north and the desperate need for unity against the coming winter.