There were many uji, large and small, such as the Soga clan, the Ki clan, the Otomo clan, the Mononobe clan, the Hata clan, the Kan clan, the Inbe clan, and the Shi clan.
蘇我氏・紀氏・大伴氏・物部氏・秦氏・漢氏・忌部氏・史氏等をはじめ大小幾多のウジがあった。