Ōseki Masunori
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Ōseki Masunori (大関増勤 Ōseki Masunori?); (1852-1905) was a Japanese samurai of the late Edo period who served as daimyo of the Kurohane domain (Shimotsuke Province). Succeeded to family headship in 1868, amidst the turmoil of the Boshin War. His domain was involved in the Battle of Utsunomiya Castle.