Arthur Dayne

Ser Arthur Dayne was a knight of House Dayne who bore the title of "Sword of the Morning" as he possessed the ancestral sword of House Dayne, Dawn. He was the only Dornish member along with Lewyn Martell of the Kingsguard under King Aerys II Targaryen. He is regarded by many, among them his killer, as the greatest knight who ever lived.