Shibata Katsumasa
Katsumasa was a son of Sakuma Moritsugu and was adopted by his uncle, Shibata Katsuie. He was killed fighting under the command of his brother Sakuma Morimasa at the Battle of Shizugatake.
References
- Initial text from Sengoku Biographical Dictionary (Samurai-Archives.com) FWSeal & CEWest, 2005