MINAMOTO no Tsuko, a grandson of Toru, was appointed as Governor of Musashi Province and left the capital Kyoto for Mita, Adachi County in Musashi Province (present-day Konosu City, Saitama Prefecture).
融の孫の源仕（みなもと・の・つこう）のとき武蔵守となって武蔵国足立郡箕田（埼玉県鴻巣市）に下向。