- Died: 1560
- Title: Daigaku
Morishige was the holder of Marume castle and came under attack by the forces of Matsudaira Motoyasu (Tokugawa Ieyasu) during the Imagawa invasion of Owari in 1560. He held off an opening attack by the Matsudaira, but was shot and killed leading a counterattack out of the castle. He is believed to be the first 'general' killed by gunfire in Japan.
- Initial text from Samurai-Archives.com FWSeal & CEWest, 2005