At the same time, however, the document says that 'when he was asked about his family, Tenkai said that he forgotten even his family name,' indicating that Tenkai did not tell his origin to his disciples.
しかし、同時にそこには、「俗氏の事人のとひしかど、氏姓も行年わすれていさし知ず」とあり、天海は自らの出自を弟子たちに語らなかったとある。