However, it is described in the "Nihon Sandai Jitsuroku" (sixth of the six classical Japanese history texts) that Sakemaro and his clan occupied the post of Sho hakase (professor of calligraphy) for a long period of time in the first half of the Heian period.
しかしながら、酒麻呂とその一族が平安時代前期において、長期に渡って書博士の地位を占めていた事が『日本三代実録』に記されている。