Razan HAYASHI wrote in his book "Honcho Jinja Ko" (a study of Japanese shrine) that, in the early Edo period, an old man named Zanmu told the Genpei War and people believed that he was Kaison.
江戸時代初期に残夢という老人が源平合戦を語っていたのを人々が海尊だと信じていた、と『本朝神社考』に林羅山が書いている。