Hisamichi was the son of Matsunaga Hisahide and assisted in the murder of shôgun Ashikaga Yoshiteru in 1565. He joined his father in rebelling against Oda Nobunaga in 1577 but was captured and later executed in Kyoto.
References
- Initial text from Sengoku Biographical Dictionary (Samurai-Archives.com) FWSeal & CEWest, 2005