House Potter is a house in Westeros. Their arms and seat are unknown.
A Feast for Crows
Brienne of Tarth recalls that Robin Potter participated in a bet beneath the walls of Highgarden to see who would be the first to claim her maidenhead. After the bet was discovered and ended, Brienne sought out and defeated Robin during the melee at Bitterbridge, leaving him with a scar on his head. He survived the Battle of the Blackwater.
House Potter at the end of third century
The known Potters during the timespan of the events described in A Song of Ice and Fire are:
Houses of Unknown Regions