Nevertheless, during the Edo period, Toshimasa BOJO, who was a descendant of FUJIWARA no Tametaka, advanced a new theory that FUJIWARA no Chikataka, who was a younger brother of aforementioned Shigetaka and Tomotaka, was the author.
だが、江戸時代に藤原為隆の子孫である坊城俊将が、重隆・朝隆の弟藤原親隆を著者とする説を立てている。