Yoshitomo's extension of power toward the Musashi Province and sudden awarding of the title of Jugoinoge and kokushu of the Shimotsuke Province might be based on the support of Nobuyori.
義朝の武蔵国への勢力拡大も突然の従五位下・下野守への除目も信頼らの支援があってのことと思われる。