Michiyoshi was a younger son of Shiji Motoyoshi. He served Môri Motonari in a number of campaigns and was later a chief retainer of Môri Takamoto. He was a veteran of Miyajima (1555), Shiraga (1563), and the Gassan - Toda Campaign (1564-66). Michiyoshi was married to a daughter of Fukubara Hirotoshi and his son was Kuchiba Haruyoshi.
- Initial text from Sengoku Biographical Dictionary (Samurai-Archives.com) FWSeal & CEWest, 2005