Sogon, who was in the service of Katsutoshi TAKIGAWA's daughter entered the Buddhist priesthood on feeling the transiency of life following her death and, after training for 11 years and returning to Kurodani, he founded Saiun-in Temple on being granted Shiunseki by Ryoteki, 27th head priest of Konkaikomyo-ji Temple.
滝川雄利の息女に仕えていた宗厳が、その息女の死を機に人生の無常を感じて出家し、11年間修行の後、黒谷に帰ってきた後に紫雲石を金戒光明寺第27世の了的により授けられて開山した。