Also, relationship between the Koremune clan and Sekkan-ke (families which produced the Regent and the Chief Adviser to the Emperor) must also be considered from the facts that Kagoshima was in Shimazu-no-sho estate (a private estate of the Konoe family that was a Sekkan-ke) and that Yasutomo was Tonai udoneri appointed by the Fujiwara clan.
また鹿児島は島津荘(摂関家であった近衛家領荘園)内で、また康友は藤内内舎人である事から、摂関家との関係も考慮する必要があると思われる。