From A Wiki of Ice and Fire
|Book(s)||A Storm of Swords (appears)|
Appearance and Characater
A Storm of Swords
Catelyn Stark visits with Maester Brenett to inquire into the family history of Roslin Frey. Her fears are somewhat allayed by this conversation, since the maester explains that Bethany Rosby was a fertile wife for Walder Frey.