In addition, as chigyo kokusei (the system in which Kizoku members or others were entitled to control a province through tax collection right and personnel appointment right) was also established, the economic base of Kizoku gradually shifted to shoen and chigyo-koku (provinces controlled by them).
また並行して知行国制が成立すると、貴族の経済基盤は、荘園および知行国へとシフトしていった。