A Game of ThronesEdit
Lyman inherits the lordship of Darry at the age of 8, after his father, Ser Raymun Darry, is killed at the Battle at the Mummer's Ford. After the Battle of the Camps Ser Marq Piper and Ser Karyl Vance, friends of his father, travel to Darry to bring him to the war council of Riverrun. When there he was amongst the riverlords who proclaimed Robb Stark as king, claiming he would never bend the knee to a King of House Lannister.
A Clash of KingsEdit
Lyman travels with his forces to retake Castle Darry from the Lannister forces who have overtaken it. They succeed, but lose the castle a fortnight later. Gregor puts the Darry garrison to the sword, and personally executes the young Lord Lyman, bringing down the ire of The Riverlands on Gregor.