From A Wiki of Ice and Fire
|Died||In 196 AC, the Redgrass Field|
|Book||The Sworn Sword (mentioned)|
Ser Edwyn Osgrey was a knight of House Osgrey during the reign of King Daeron II Targaryen. He was the eldest son of Ser Eustace Osgrey.
Edwyn joined his father in supporting Daemon Blackfyre in his rebellion in 196 AC. Edwyn was killed during the Battle of the Redgrass Field and was buried among the blackberries at Standfast.