Tsunatatsu was the eldest son of Cho Tsugutsura and was a retainer of Hatakeyama Yoshitaka. He was involved in Yoshitaka's murder in 1574 and later attempted to resist the invasion of Noto province by Uesugi Kenshin. Kenshin took Anamizu and forced Tsunatatsu and his father to commit suicide.
References
- Initial text from Sengoku Biographical Dictionary (Samurai-Archives.com) FWSeal & CEWest, 2005