However, according to the notes attached to the end of the 'Hahakigi' chapter in the "Shichigo-Genji," which is a copy of the 13th century Kawachi-bon manuscript and is kept at the Higashiyama Go-bunko library, it is known that there were also theories that he was fifteen or nineteen years old.
が、河内本系の写本である東山御文庫蔵『七毫源氏』の帚木巻巻末に付記された注釈では15歳説や19歳説があったことが知られる。