Dates of birth and death unknown. Previous stage names and relationship (disciple of Yamamoto Hikogorô ?) to the Yamamoto clan unknown. He made his debut as a wakashugata in Kyôto in the 1st lunar month of 1713, playing the role of Ikomaemon in the new year drama "Keisei Yaeguruma". He settled in Ôsaka in Fall 1715 and was active in this city up to the 11th lunar month of 1720, when he performed in the kaomise drama "Daimyô Nishiki no Kusazuri", which was produced in Ôsaka by the zamoto Takeshima Kôzaemon II. This was his last-recorded performance. We don't know what happens to him afterwards.

Dates of birth and death unknown. Previous stage names and relationship to Yamamoto Sakuya I unknown. His name appeared for the first time in Ôsaka in the 11th lunar month of 1725, when he played the role of Princess Chisato (he was recorded as a wakaonnagata iroko actor) in the drama "Hôraisan Imose no Matsu", which was produced by Yamamoto Kyôshirô I at the Naka no Shibai. He became wakaonnagata in the 11th lunar month of 1730, when he played at the Kado no Shibai the role of the keisei Azuma in the kaomise drama "Matsukane Fukki no Ishizue". He was active in Ôsaka up to 1732/1733. We don't know what happens to him afterwards for he disappeared from the records.