Hōzōin Zeneibō Inshun[1] (宝蔵院 禅栄房胤舜, 1589 to February 5, 1648) was a monk and a martial artist who lived in the early Edo period.
[2] He was accomplished at the Hōzōin-ryū sōjutsu School of spearmanship, which was founded by Hōzōin In'ei and features the use of a Jumonji kama-yari (a cross-shaped spear with a sickle on both sides of the blade) Inshun was a descendant of a goshi [ja] (country samurai) in Yamashiro Province.
[1] Inshun was not trained in Hōzōin-ryū sōjutsu by In'ei but instructed by an old monk from the Okuzōin (a monastery in the neighborhood of the Hōzōin temple), who had been Inei's direct disciple.
He established Urajuippon shikimoku [ja] (裏十一本式目, eleven "back" techniques of the Hōzōin's spearmanship).
Amongst them were Nakagawa Hannyū, Shibata Kaemon, Takada Matabee, Hasegawa Kuranosuke, Isono Shume and Tanaka Kanbee who were called the six Tengus.