According to the Koyo Gunkan, Hara Osumi no Kami was a Samurai and attendant to Takeda Shingen during the Fourth Battle of Kawanakajima. When Uesugi Kenshin attacked Shingen from horseback in thier famed duel, Hara was reported to have thrust at Kenshin with Shingen's own spear, but missed and struck the horse in the flank instead, causing it to flee.
Sources
- Naramoto, Tatsuya. Sengoku Bushou Omoshiro Jiten Japan, 1998
- Sato, Hiroaki. Legends of the Samurai. Overlook, 1995