Quenton Qoherys

Lord Quenton Qoherys is an unseen character in Game of Thrones. He is not expected to appear in the show, being long dead by the time it begins. He was the Lord of Harrenhal after the War of Conquest.

Biography
Quenton served as a general of Aegon I Targaryen. After the Burning of Harrenhal, the castle was given to him by Aegon, although his line eventually went extinct.