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