Seki Kazumasa

Seki Kazumasa was a Japanese daimyō of the late Sengoku period through early Edo period, who was a retainer of the Oda and Toyotomi clans. His court title was Nagato no kami. Kazumasa took part in many of the major campaigns of the Toyotomi clan, serving as a yoriki under his brother-in-law Gamō Ujisato.