Sahyôe served Chôsokabe Motochika and served in the campaigns to subdue Awa province and later at the battle for Fukuda castle in Iyo. He was killed in the Battle of the Hetsugigawa in Bungo province fighting the Shimazu in 1587.
References
- Initial text from Sengoku Biographical Dictionary (Samurai-Archives.com) FWSeal & CEWest, 2005