However against this, there were researchers who assumed that the editor was of the Fujiwara clan, and they advocated other theories, including the one that FUJIWARA no Ietada, who also once served as 'Kogogu-daibu' should be the editor of the enlargement.
これに対して藤原氏に求める研究家からは同じ「皇后宮大夫」経験者である藤原家忠説などの異論も出されている。