From A Wiki of Ice and Fire
|Alias||The Green Oak|
|Died||In 161 AC|
|Book(s)||A Feast for Crows (Mentioned)|
Ser Olyvar Oakheart, better known as Ser Olyvar the Green Oak, was a knight from House Oakheart and a member of the Kingsguard. There is a tapestry depicting him all in white dying beside King Daeron I in Dorne.