Korenaga succeeded his father Koreamsa following the latter's death in 1571. He held Takatsuki in Settsu province. He planned to destroy the Takayama but that clan learned of his intentions and in April 1573 lured him into a dark room and murdered him in a brief but vicious sword fight.
References
- Initial text from Sengoku Biographical Dictionary (Samurai-Archives.com) FWSeal & CEWest, 2005