From A Wiki of Ice and Fire
Commander of the Stormbreakers
|Born||In or between 113 AC and 116 AC|
|Book(s)||Fire & Blood (mentioned)|
Oscar was knighted on the battlefield after slaying three men in the Battle of the Kingsroad. He was one of the Lads who marched to King's Landing after the battle, but they later deferred to the formidable Lord Cregan Stark.