|Born||In or between 269 AC and 278 AC|
|Book(s)|| A Game of Thrones (appears)|
A Clash of Kings (appears)
A Storm of Swords (mentioned)
A Feast for Crows (mentioned)
A Dance with Dragons (mentioned)
A Game of Thrones
Ser Perwyn attends the Tourney of the Hand with five other members of House Frey. During Catelyn Tully's parley with Lord Walder Frey, Perwyn is left in the company of Robb Stark to ensure her safety. He serves as one of Robb's chosen protectors during the battles near Riverrun.
A Clash of Kings
A Storm of Swords
Perwyn fights at the Battle of the Fords. He is spotted by Catelyn Tully leaving Riverrun after news of Robb Stark's marriage to Jeyne Westerling reaches the castle. He is sent away from the Twins before the Red Wedding because he is judged too sympathetic to his former northern comrades.
A Feast for Crows
Perwyn is present at the investiture of Riverrun, where he tells Ser Daven Lannister that his sister Roslin is in love with her husband and is praying for a girl. According to Daven, Perwyn seems like a decent man.