Korren Stark

Korren Stark is a minor character who is dead before the events of the series. He was the founder of House Stark and Winterfell. Korren was the Warden of the North, Lord Paramount of the North and the Lord of Winterfell until he was burned alive by the "Mad King" Aero Targaryen. He was the father of Rodrik, Alexander, and Bell.

Background
He was the founder of Winterfell and House Stark at some point and met an unknown Stark lady and had 3 children. He became the father of Rodrik, Alexander, and Bell. He was under the order of Aero Targaryen.

Season 1
During a flashback, Korren Stark was pleading with Aero Targaryen to spare his life but he was burned alive by Wildfire on the action of the King and was killed which caused a war with House Targaryen.