However, based on his later carrier, it is said that he came from monjosho (a student of literary studies) at Daigaku-ryo (Bureau of Education at that rime) where even youngsters of hakucho were allowed to enter.
が、その後の経歴から当時白丁の子弟でも入学が許されていた大学寮文章生出身であったとされている。