- Death 1573
- Other name: Kaihô Zen'emon
- Son: Kaihô Yûsho
- Distinction: Asai retainer
- Japanese: 海北 綱親 (Kaihou Tsunachika)
Tsunachika served Asai Nagamasa and was a senior retainer. He fought well at the Battle of Anegawa in 1570 but was killed in action when the Asai's Odani castle fell to Oda Nobunaga in 1573.
References
- Initial text from Sengoku Biographical Dictionary (Samurai-Archives.com) FWSeal & CEWest, 2005