Reading Comprehension With the death of King Robb Stark and most of his bannermen at the Red Wedding , House Bolton is named the new ruling Great House of the North by House Lannister . However, to cement their hold on the North following the murders of Joffrey Baratheon and Tywin Lannister , they betray the Lannisters and secure a marriage alliance through Lord Petyr Baelish between Sansa Stark (formerly the Lannisters' hostage) and Ramsay Bolton , Lord Roose Bolton 's recently-legitimized bastard son. With help from the Boltons' prisoner, Theon Greyjoy , Sansa escapes her home during Stannis Baratheon 's ill-fated attack on Winterfell and flees to Castle Black with Brienne of Tarth and Podrick Payne , where she reunites with her half-brother, Jon Snow , who was on the verge of leaving the Night's Watch following his d...