From A Wiki of Ice and Fire
|Book||The Hedge Knight (mentioned)|
Corwin Rogers was a knight from House Rogers during the reign of King Daeron II Targaryen.
Corwin was present at the tourney at Ashford Meadow in 209 AC.
Behind the Scenes
The knight's name is a reference to Roger Zelazny, a late friend of George R. R. Martin, and Corwin of Amber, a character from The Chronicles of Amber by Zelazny.