Michiyori was a son of Hiraoka Fusazane and held Ebara castle in Iyo province. He supported the Kono family and in 1585 defended Yuzuki castle during Toyotomi Hideyoshi's invasion of Shikoku. He led troops in the advance force Hideyoshi dispatched to Kyushu in late 1586 and afterwards accompanied Kono Michinao to live in Aki province.
References
- Initial text from Sengoku Biographical Dictionary (Samurai-Archives.com) FWSeal & CEWest, 2005