The temple was founded by the kaizan (founding priest) Sanyo Genkitsu (Kanshitsu) and the kaiki (founding patron) Ieyasu TOKUGAWA, and its honorific mountain prefix is 'Mt. Zuigan.'
山号は瑞巌山（ずいがんさん）、開山は三要元佶（閑室）、開基（創立者）は徳川家康。