Sunhouse is a village or town where the castle of House Cuy, Sunflower Hall, can be found. A singer named Galyeon of Cuy has appeared, although his connection to House Cuy is unclear. The only member of the house to appear has been Ser Emmon Cuy.
Ser Emmon Cuy, called Emmon the Yellow while a member of King Renly’s Rainbow Guard, was cut down by the Lord Commander of the Rainbow Guard, Ser Loras Tyrell, in a fit of rage after Renly’s murder.