Chiba Shusaku
Japanese swordsman (1790s–1855/1856), founder of the Hokushin Itto-ryu school and of the Genbukan dojo in Edo, one of the largest fencing schools of its time.
Quick Facts
JapanBiography
Chiba Shusaku was a Japanese swordsman and the founder of the Hokushin Itto-ryu school, whose Genbukan dojo was among the largest fencing schools of Edo in the middle of the 19th century. The year and place of his birth differ among sources. The Hokushin Itto-ryu school gives 1792, Britannica 1793 and most entries of the Japanese encyclopedia Kotobank 1794. As his birthplace, Kurihara District in Miyagi Prefecture, present-day Kesennuma and Iwate Prefecture are all given.
He was the second son of Chiba Chuzaemon. He learned Hokushin Muso-ryu from his father and grandfather Chiba Koemon Narikatsu. In 1809 the family moved to Matsuda near Edo. He studied Itto-ryu under Asari Matashichiro Yoshinobu and Nakanishi Chubei and received the full licence (menkyo kaiden) in about three years. He married the adopted daughter of Asari, but after a dispute over training methods he left and set out on a journey of training duels (musha shugyo).
In 1822 he opened the Genbukan dojo in Nihonbashi and in 1825 moved it to Kanda. He simplified the licensing system, and it was claimed of the school that what took ten years elsewhere, a pupil there mastered in five. Tsukuba University states that the Genbukan had about 3600 pupils and strongly influenced the techniques of modern kendo. In 1839 Tokugawa Nariaki named him teacher of swordsmanship of the Mito domain. He died in December of the 2nd year of the Ansei era by the old Japanese calendar, which sources convert to 1855 or 1856.
Early life
The year of birth differs among sources. Most Kotobank entries give 1794, the Nihon jinmei daijiten gives precisely 1 January 1794, Britannica 1793 and the official website of the Hokushin Itto-ryu school 1792. The birthplace differs too: Kotobank gives Kurihara District in Miyagi Prefecture, the encyclopedia Nihon hyakka the village of Hanayama with the alternatives Araya and Kesen, and the dictionary Nihon kokugo daijiten Iwate Prefecture. He was the second son of Chiba Chuzaemon, whose personal name Kotobank reads Narinari and the English Wikipedia Naritane. According to Kotobank his father later made his living as a horse doctor. In 1809 the family moved to Matsuda near Edo.
Training and teachers
His first teachers were his father and grandfather Chiba Koemon Narikatsu, from whom he took over the family art Hokushin Muso-ryu. He then studied Itto-ryu under Asari Matashichiro Yoshinobu of the Ono-ha branch and Nakanishi Chubei of the Nakanishi-ha branch. He received the full licence (menkyo kaiden) in about three years. He married the adopted daughter of Asari, but after a dispute over training methods he left and set out with his brother Sadakichi on a journey of training duels (musha shugyo). The name of his brother is written as Teikichi on the school website.
Contribution and innovations
According to Kotobank he opened the Genbukan dojo in 1822 in Nihonbashi Shinagawa-cho and in autumn 1825 moved it to Kanda Otamagaike. He simplified the system of licences and progression. The school website states that what other schools taught in ten years, his pupil mastered in five. Tsukuba University credits the Genbukan with about 3600 pupils and a strong influence on the techniques of modern kendo, to which practice with the bamboo sword (shinai) and protective gear contributed. In 1839 he demonstrated his art before Tokugawa Nariaki, who named him teacher of swordsmanship of the Mito domain. In 1841, according to Kotobank, he received an income of 100 koku and the post of umamawari-yaku.
Legends and documented facts
The dispute over his birthplace has dragged on for a long time. The claim about Rikuzentakata in Iwate Prefecture is, according to a report by the Kyodo agency, based on a Meiji-era dictionary with erroneous place names. In August 2026 a team from Tohoku University published the diary of Sakurada Ryosuke, a vassal from Sendai and a pupil of Chiba, according to which he was born in present-day Kesennuma and his father was a doctor. In our view the dispute is thereby not closed, as encyclopedias so far give various places. We explain the difference between the death years 1855 and 1856 by conversion from the old Japanese calendar, where the end of the 2nd year of the Ansei era falls in January 1856. This conversion is ours, and we have not found it in a source.
Legacy
The Genbukan was, together with the Renpeikan and Shigakukan dojo, one of the three great fencing dojo of Edo at the end of the shogunate. In 1848 his son Yorisutaro became its second head. Among his pupils Kotobank lists Kaiho Hanpei, Inoue Hachiro, Oba Toso, Mori Yoza and Kiyokawa Hachiro, and counts Sakamoto Ryoma among the members of the school. We have not been able to document in which dojo of the school Sakamoto trained. According to Japanese sources he died in December of the 2nd year of the Ansei era, according to the Nihon kokugo daijiten and Britannica on the 10th day, according to the dictionary of the Yamakawa publishing house on the 13th day. The dictionaries Daijisen and Nihon jinmei daijiten give the year 1856, the English Wikipedia 17 January 1855.