Saias is a playable character from Fire Emblem: Thracia 776. He is the illegitimate son of Arvis and Aida, as well as the grandson of Cowen, Victor and Cigyun. He is the paternal half-brother of Julius and Julia.
From his father, he inherited the blood of Crusader Fjalar and the ability to wield Valflame.
(Source: Fire Emblem Wikia)