It was descended from the same line as Izumonokuni no miyatsuko, Musashinokuni no miyatsuko, Kamitsuunakami kuni no miyatsuko, Shimotsuunakamikuni no miyatsuko, and Ijimukuni no miyatsuko.
出雲国造・武蔵国造・上菟上国造・下菟上国造・伊自牟国造などと同系。