 Heijō-kyō excavation team discovered a wood tag attaching kombu (sea grass) tribute in 729 from "Natori district of Mutsu province" to the palace.And although date and year are unknown, a word "Notori" was written on a cup excavated at the Kōriyama Site.The first appearance in reliable literature is in "Shoku Nihongi" when Kimikobe Okina, a person of Natori District, was permitted to change his family name (kabane) in 769.