House Rosby of Rosby is a vassal house sworn to House Baratheon of King's Landing. Their seat is the eponymous town of Rosby, located in the Crownlands, north of King's Landing. It holds fealty directly to the Iron Throne.


In the books

In the A Song of Ice and Fire novels, House Rosby was one of the firsts to kneel to Aegon the Conqueror. Rosbys are not known for their robustness, tending to be sickly persons. Bethany Rosby is the deceased sixth wife of Lord Walder Frey and mother to five Freys including Olyvar and Roslin Frey. According to the semi-canonical A Song of Ice and Fire Roleplaying Campaign Guide: A Game of Thrones Edition from Green Ronin Publishing Bethany Rosby is Lord Gyles Rosby's daughter.

Their blazon consists of three red chevronels on ermine. Their motto is not mentioned in the books

See also