In terms of the tradition of dharma lineage of the Shingon sect, it is said that the name Shinjo was clearly mentioned in the genealogy of the Shingon sect (it has traditional dharma lineage since Shingon the eighth) (it was confirmed by a person in charge of the Ministry of Education (currently the Ministry of Education, Culture, Sports, Science and Technology) when applying for approval of a religious corporation, Shinnyoen Buddhism).
真言の法脈の伝承に関しては、真言宗の系譜（真言八祖から法脈の伝承を明確に記している系図）に真乗と明確に記されている（宗教法人真如苑認証の際に、文部省（現在の文部科学省）の担当官が確認している）という。