Harlan Grandison

Ser Harlan Grandison was a knight of House Grandison and a member of the Kingsguard.

Background
Ser Harlan was a member of House Grandison who served in the Kingsguard. He took part in a tourney as a mystery knight, but was defeated and unmasked by Arthur Dayne.

Season 8
Harlan is mentioned under the entry of Ser Arthur Dayne, in The Book of Brothers, which the new Lord Commander of the Kingsguard Brienne of Tarth was flicking through.