MUTSUGE was of a Mutsugenokuni no miyatsuko descent (the heads of local governments in ancient Japan) and a powerful local clan in Muge District (later became Mugi District), Mino Province.
身毛氏は牟義都国造の系譜をひき、美濃国の武芸郡（むげのこおり、後の武儀郡）にあった地方豪族である。