Although Onmyo no suke (Assistant Director of Onmyoryo, or Bureau of Divination) with the same name appeared in the article of December 786 in "Shoku Nihongi" (Continuation of Chronicles of Japan), he is considered to be a different person.
『続日紀』の延暦5年12月条に同名の陰陽助が登場するが、別人とみられる。