TAIRA no Yoshifumi was called Goro MURAOKA and was based in the Soma country, Shimousa Province and extended power with his son TAIRA no Tadayori and grandson Tadatsune over three generations.
平良文は下総国相馬郡(下総国)を本拠に村岡五郎と称し、子の平忠頼、孫の忠常の三代に渡り関東で勢力を伸ばした。