Seki Kazumasa

Infobox_Officeholder | name= Seki Kazumasa
nationality=Japanese
small

caption=
order=1st Lord of Kurosaka
(Seki)
term_start=1611
term_end=1618
predecessor=none
successor=none
birth_date=1564
birth_place=
death_date=November 19, 1625
death_place=
spouse=nihongo|Seki Kazumasa|関一政| (1564-November 19, 1625) was a Japanese daimyo of the late Sengoku period through early Edo period, who was a retainer of the Oda and Toyotomi clans. His court title was nihongo|Nagato no kami|長門守|. Kazumasa took part in many of the major campaigns of the Toyotomi clan, serving as a yoriki under his brother-in-law Gamō Ujisato. In the early Edo Period, he served under the Tokugawa clan at the Sieges of Osaka. His domain of Kurosaka was confiscated in 1618, due to internal disturbances. Kazumasa died in 1625, but his nephew and adoptive son Ujimori was granted 5,000 koku and allowed to succeed to family headship as a high-ranking hatamoto.

References

*Fukuda, Chizuru (2005). "Oie-sōdō". Tokyo: Chūōkōron-shinsha.
*ja icon [http://www.asahi-net.or.jp/~ME4K-SKRI/han/kinki/kameyama.html "Ise-Kameyama han" on "Edo 300 HTML"] (19 Feb. 2008)