Also, according to "Sonpi Bunmyaku" (Lineage Sects of Noble and Humble), "Daigo Zassho" (miscellaneous records made at the Daigo-ji Temple Hon-in), and "Heike Monogatari Hoketsu Tsurugi no maki" (Supplement Volume, Sword, of Heike Monogatari (The Tale of Heike)) Tokinaga HAMURO (the Fujiwara Clan), a grandson of Akitoki, is considered the author.
また、『尊卑分脈』や『醍醐雑抄』『平家物語補闕剣巻』では、やはり顕時の孫にあたる葉室時長（はむろときなが、藤原氏）が作者であるとされている。