<P> Having lost her dragons, Daenerys Targaryen has difficulty trusting Xaro Xhoan Daxos when he tells her he did not take them . Later, Ser Jorah Mormont returns from his search for a ship and vows to Daenerys to find her dragons . He seeks out the shadowbinder Quaithe, who knows much of the dragons and Jorah's feelings for Daenerys . Quaithe informs Jorah that although she does not have the dragons, Daenerys is currently with the one who does . At a meeting of the Thirteen, Pyat Pree tells Daenerys that he has her dragons in the "House of the Undying ." Shortly after this revelation, Xaro, with the aid of Pree, proclaims himself King of Qarth . Pree, having multiplied himself around the room, assassinates the remaining eleven members of the Thirteen, and Daenerys flees with Mormont and Kovarro . </P> <P> Prince Theon Greyjoy wakes in the morning and finds the wildling Osha gone from his bed . Outside, he discovers one of his men has been killed, and Bran Stark, Rickon Stark, Hodor and Osha have fled Winterfell in the night . While berating his men for the escape of the children, he is challenged by Black Lorren for sleeping with Osha . Theon brutally beats Lorren and then begins a hunt for the two boys and their companions, against the wishes of Maester Luwin . After arriving at a farm, Theon is displeased to learn the dogs have lost the trail, but Dagmer Cleftjaw discovers walnut shells in the farm yard, indicating Bran and Rickon may have passed through . Theon then orders Luwin back to Winterfell so he may interrogate the farm owner . </P> <P> After returning from the hunt, Theon calls the people to the square, and after Luwin's arrival, reveals to them the charred remains of two children as a warning to those who do not respect his rule . Luwin cries out in horror for Bran and Rickon, while Theon looks upon the corpses and appears visibly uncomfortable, barely able to hide his guilt . </P> <P> The episode was written by producers David Benioff and D.B. Weiss, their fourth of six scripts for the second season . This episode adapts content from the second novel, A Clash of Kings, chapters Theon IV, Sansa IV and parts of Catelyn V and Catelyn VII . </P>

Who did theon kill in season 2 episode 7