Abstract: This paper deals with the family origin and domain of Adam de Gaston (Siratan), seneschal and bailli of Armenia, the most powerful vassal of King Lewon and the regent for King's daughter, Queen Zapēl. In particular, it answers a question, to what did Adam owed his position and the degree of kingly trust he accrued. The study reveals evidences and arguments pointing to his close kinship with the Royal House.
