Shigetane was a vassal of the Hôjô family. He was besieged in Sakura castle during Hideyoshi's Odawara Campaign (1590) by Honda Tadakatsu and Sakai Ietsugu. He was afterwards dispossessed.
References
- Initial text from Sengoku Biographical Dictionary (Samurai-Archives.com) FWSeal & CEWest, 2005