|Coat of arms||Bendy sinister sable and gules, a goose Or|
|Died out||after 209 AC|
House Cargyll was a noble house from the Crownlands. According to semi-canon sources, the house blazoned its arms with a golden goose on bendy sinister black and red. The house is currently extinct, but was still in existence at the time of the Ashford Tourney.
Ser Arryk and his twin brother Ser Erryk Cargyll were famous members of the Kingsguard. They chose opposite sides during the Dance of the Dragons, with Arryk supporting Aegon II Targaryen and Erryk siding with Rhaenyra Targaryen. The twins slew one another during the civil war.
- Ser Arryk Cargyll, Errky's twin, a knight of the Kingsguard.
- Ser Erryk Cargyll, Arryk's twin, also a knight of the Kingsguard.
- Ser Clarence Cargyll, who participated in the tourney at Ashford Meadow.