<Li> Walder Frey (season 1, 3, 6--7) portrayed by David Bradley . David Bradley Lord Walder Frey, nicknamed the "Late Lord Frey", is the head of House Frey, Lord of the Crossing and bannerman to House Tully . He is known for outliving his many wives (now on his 8th) and siring over 100 children (both bastard and trueborn). Because the use of the Twins became a strategic necessity for Robb's host, Walder was able to negotiate marriage contracts for his children to Robb and Arya Stark . But during Season 2 Robb broke his word and married Lady Talisa . For this slight, and willing to take advantage of the war's changing fortunes, he conspires with Tywin Lannister and Roose Bolton to betray Robb Stark at the wedding of his liege Edmure Tully, which he insists in return for support of his men . Frey hosts the infamous "Red Wedding" at which Robb Stark, his wife and mother are all murdered, refusing to spare Robb even as Catelyn holds Lady Frey hostage and threatens to slit her throat, which she does . He is subsequently granted Riverrun and its lands (though the title Lord Paramount of the Riverlands passes to Harrenhal and House Baelish) and expresses delight to take another young wife, but his house is irredeemably tarnished by the betrayal and House Tully's vassals refuse to submit to his rule . In Season 6, he is outraged when he hears of the Blackfish recapture' of Riverrun and blames his sons Lothar and Black Walder for allowing him to escape . He then orders them to retake the castle using Edmure Tully as a hostage . Though they successfully retake Riverrun with the help of a Lannister host led by Jaime Lannister, Walder is ambushed shortly afterwards by Arya Stark, who slits his throat in revenge for the Red Wedding . In Season 7, Arya uses Walder's face to deceive and poison the rest of his family . </Li> <Li> "Lame" Lothar Frey (season 3, 6) portrayed by Tom Brooke in season 3, and by Daniel Tuite in season 6 . One of Lord Walder Frey's many sons, nicknamed "Lame Lothar" because of his twisted leg . He and his half - brother Black Walder are sent by their father to Riverrun to propose a marriage between Lord Edmure Tully and Roslin Frey as terms for House Frey rejoining Robb Stark's campaign against the Lannisters . He is one of the first to commence the "Red Wedding", stabbing Talisa Stark in the womb several times and killing her and her unborn child . In the sixth season, he is ordered by Walder to retake Riverrun from Brynden Tully . Though they succeed with Lannister help, he is killed by Arya Stark, who subsequently bakes him into a pie . </Li> <Li> "Black" Walder Rivers (season 3, 6) portrayed by Tim Plester . One of Lord Walder Frey's many bastard sons, nicknamed "Black Walder" for his dark demeanor . He and his half - brother Lame Lothar are sent by their father to Riverrun to propose a marriage between Lord Edmure Tully and Roslin Frey as terms for House Frey rejoining Robb Stark's campaign against the Lannister . He kills Catelyn Stark at the Red Wedding, after she slits Lady Frey's throat in retaliation for her son's death . In the sixth season, he takes part in the siege of Riverrun . Though the Freys reclaim the castle with the help of a Lannister host, Black Walder is killed shortly afterwards along with Lothar by Arya Stark, who bakes them both into a pie . </Li> <Ul> <Li> Yara Greyjoy (season 2--4, 6--present) portrayed by Gemma Whelan . Gemma Whelan The daughter of Balon Greyjoy and his wife Alannys Harlaw, and elder sister of Theon . She is fierce and proud, and defies traditional ironborn gender roles by commanding her own ship, the Black Wind . When her brother Theon takes Winterfell, Yara tries to convince him to go back with her to the Iron Islands, but Theon refuses . Theon is betrayed by his own men and given to Ramsay Snow, lord Bolton's sadistic bastard son, who brutally tortures and eventually castrates him . Ramsay sends Theon's penis in a box to Balon, with Ramsay threatening to mutilate Theon more unless the Ironmen leave the North, whom Ramsay also threatens to flay living . Balon refuses this, but Yara intends to save her brother of her own accord, taking one ship and fifty of the best killers on the Iron islands with her . In season 4, Yara and her men attack the Dreadfort, but find that Ramsay has broken Theon so badly that he refuses to leave with her and even insists that his name is Reek . Ramsay and his men confront Yara in the dungeon and a battle ensues in which Ramsay frees the hounds and sets them on Yara, who is forced to flee the Dreadfort without Theon, telling her men that Theon is dead . In season 6, Yara contests the Kingsmoot to decide Balon's successor and appears to sway the Ironborn by declaring that she will build the world's largest fleet, but is defeated by Euron, who plans to forge an alliance with Daenerys Targaryen to conquer Westeros . Correctly suspecting that Euron will have them killed, Yara and Theon flee the Iron Islands with their loyalists and the bulk of the Iron Fleet, and head to Meereen to forge an alliance with Daenerys first . After explaining the situation, Yara pledges her forces to Daenerys in return for the Iron Islands' independence . Yara is ordered to sail to attack King's Landing . Her fleet is set upon by ships under Euron's command and she is captured and led in chains through King's Landing . </Li> <Li> Euron Greyjoy (season 6--present) portrayed by Pilou Asbæk . Pilou Asbæk A brother of King Balon Greyjoy, and the uncle of Theon and Yara Greyjoy . Euron is an infamous pirate who has terrorized seas all around the world . He is cunning, ruthless, with a touch of madness . He kills Balon Greyjoy by throwing him off a rope bridge, declaring that Balon's time is past and that it is time for a new king . At the Kingsmoot he confesses to killing Balon, but convinces the Ironborn that Balon was a poor military commander and declares that he will seduce Daenerys Targaryen and give her the Iron Fleet to conquer Westeros . The Ironborn declare Euron as their king, but before Euron can put Theon and Yara to death he discovers they have fled with the best ships of the Iron Fleet . Undeterred, he orders the Ironborn to begin constructing a new fleet . He uses this fleet to attack Yara's fleet with fire . He kills two Sand Snakes and captures Yara, Ellaria Sand and Tyene Sand . He gives the Sands to Cersei and keeps Yara prisoner . When he meets Theon he taunts him over his captive sister . </Li> <Li> Aeron Greyjoy (season 2, 6) portrayed by Michael Feast . Michael Feast A brother of King Balon Greyjoy, and an uncle of Theon and Yara Greyjoy . Aeron is a Drowned Priest in service to the Drowned God . When Theon returned to the Iron Islands, Aeron reinitiated him into the faith of the Drowned God . After Balon's death, Aeron held a Kingsmoot to determine Balon's successor . Euron Greyjoy wins the election and is baptized by Aeron . </Li> <Li> Balon Greyjoy (season 2--3, 6) portrayed by Patrick Malahide, is the Lord of the Iron Islands and the father of Theon and Yara . Balon wished to continue the conquering ways of his people, which led him to rebel against the Iron Throne 9 years prior to the start of the series . He lost, with two of his three sons killed in the war; his youngest, Theon, was taken as a ward at Winterfell as a way to keep him from attempting another rebellion . After Theon returns to the Iron Islands with an offer from King Robb Stark for an alliance against the Lannisters, Balon refuses and instead launches beach raids against the North, proclaiming himself King of the Iron islands and the North . Theon, however, is captured and brutally tortured by the sadistic Ramsay Snow, lord Bolton's bastard, who eventually castrates him . Ramsay sends Theon's penis in a box to Balon, with Ramsay threatening to mutilate Theon further unless the Ironmen retreat from the North, whom Ramsay also threatens to flay living . Balon refuses, stating that as Theon defied him by attacking Winterfell, claiming him a "fool" and "not a man anymore", to which Yara responds she intends to save her little brother of her own accord . In Season 6, he is confronted by his younger brother, Euron, who declares that Balon has ruled for too long and throws him from a rope bridge to his death . </Li> <Li> Dagmer Cleftjaw (season 2) portrayed by Ralph Ineson . Ralph Ineson Dagmer is an Ironborn Raider and Theon Greyjoy's first mate on the Sea Bitch . He suggests that Theon prove himself by taking Winterfell, and persuades him to commit further atrocities to shore up his rule, such as executing Ser Rodrik Cassel for defying Theon and killing two children to pass off as Bran and Rickon Stark . However, when Robb Stark sends Ramsay Snow with an offer to spare the Ironborn if they surrender Winterfell and Theon, he knocks Theon out to hand him over and fatally wounds Maester Luwin . It is revealed in the season three finale that Dagmer and the other ironborn were instead flayed alive by Ramsay Snow and his men . </Li> <Li> Lorren (season 2) portrayed by Forbes KB . An infamous Ironborn raider better known as Black Lorren . He is considered among the fiercest Ironborn warriors . He is under Theon's command while taking Winterfell . He is ultimately flayed alive by Ramsay Snow, along with the other Ironborn at Winterfell . </Li> </Ul>

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