Rickard Stark

Lord Rickard Stark was the Lord of Winterfell, the Lord Paramount of the North, the Warden of the North and head of House Stark until he was executed along with his eldest son and heir Brandon by the Mad King, Aerys II Targaryen. He was the father of Brandon, Eddard, Lyanna and Benjen Stark. Both Rickard Stark and the Mad King are grandfathers to Jon Snow.