They were organized making each house one unit in an advanced community of people who belonged to the Yamato Regime; in the sixth century, their family name and hereditary titles were written down in their register book; in this way they had an official family name and hereditary title.
彼らは先進的な部民共同体の中で戸を単位に編成され、6世紀には籍帳に登載されて、正式に氏姓をもった。