Feastfires is located at the very end of the peninsula that extends west of Casterly Rock. The motto of the house is, “Tireless.” The only member of the house to appear or be mentioned is Ser Forley Prester.
Ser Forley Prester commanded a third of the forces besieging Riverrun before Robb Stark fell on them. He managed to withdraw most of his men to the Golden Tooth and the westerlands. After Robb Stark’s murder, Ser Forley joined Ser Daven Lannister in bringing troops down to lay siege to Riverrun.