That indicates that honjo (proprietor or guarantor of manor) Ise-jingu Shrine could not always protect donators, or kaihatsu-ryoshu, who became their local official, and rather, it did not matter to them whether the position of the local official was held by MINAMOTO no Yoshitomo or Tsunetane CHIBA, as long as their share was guaranteed and, even more, increased.
相馬御厨も大庭御厨も、本所の伊勢神宮は必ずしも下司となった寄進主（開発領主）を保護出来きれなかった、自分の取り分が確保され、更には増えるのなら、下司職が、源義朝でも、千葉常胤でも構わなかったということである。