Provided, however, that as Shogakuin itself was the facility for all of kobetsu-shizoku (families branched out from the Imperial family), there is a possibility that its betto was not Genji choja but the choja of all such families including the Taira clan and the Ariwara clan.
もっとも、奨学院自体は皇別氏族全体の施設でありその別当は源氏長者のそれとは異なり、平氏や在原氏などを含めた全体の長者であった可能性もある。