According to the "Nihon shoki" (Chronicles of Japan), he was a descendant of SAEKIBE no Nakachiko, who was Toneri (palace servant) of Ichinobe no Oshiwa no Miko (Prince Ichinobe no Oshiwa); and according to the article of February 5, 492 of the same book, the Imperial Court summoned Saeki-be of various provinces to appoint them to Kajo (managers controlling lower officials and operating the court's various facilities).
『日本書紀』によれば、市辺押磐皇子（いちのへのおしはのみこ）の舎人、佐伯部仲子（さへきべのなかちこ）の後裔で、仁賢天皇5年2月5日条に、諸国の佐伯部を集めて管掌にさせたとある。