Takatoyo was the eldest son of Reizei Shimotsuke no kami Okitoyo and a noted retainer of Ôuchi Yoshitaka. He served Yoshitaka both as a warrior and an administrator whose duties included overseeing the silver mines of Aki province. He remained loyal to Yoshitaka when Sue Harukata rebelled in 1551 and assisted the former in committing suicide, after which he killed himself. He was a poet of some skill.
- Initial text from Sengoku Biographical Dictionary (Samurai-Archives.com) FWSeal & CEWest, 2005