|Died||In 299 AC, at Harrenhal|
|Book(s)||A Clash of Kings (appears)|
A Clash of Kings
Ser Cadwyn is part of the force Lord Tywin Lannister commands at Harrenhal. When Tywin departs, Cadwyn stays in Harrenhal under the command of Ser Amory Lorch. Upon the arrival of the Brave Companions, he is charged with taking over the prisoners that they brought. The entire Lannister garrison at Harrenhal is killed during the fall of the castle to Lord Roose Bolton.