House Thorne is a noble house from the Crownlands.
They blazon their shields with a silver flail on red within a black border rayonne.
Ser Rickard Thorne was a knight of the Kingsguard during the reign of Viserys I Targaryen.
Ser Alliser Thorne was on the battlements of King's Landing when Tywin Lannister sacked the city during Robert's Rebellion. Instead of execution, he chose to join the Night's Watch.