66. Rickard Karstark

Lord of Karhold and the head of House Karstark and a close ally to the Stark family. In the third season, against Robb's orders, he murdered Lannister children (Kevan Lannister's sons).

Time of death: Season 3, episode 5, "Kissed by Fire"

Cause of death: Beheaded for treason on a dramatic rainy day by Robb Stark.

Sadness ranking: 3. While he was a loyal ally to the Starks, he acted on impulse and murdered completely innocent children just because he hated the Lannisters. Robb's decision to execute him possibly led to families in the North like the Boltons betraying him at the Red Wedding.