Takahashi Deishū (高橋泥舟; 1835–1903, died at age 69; tsūshō Kenzaburō, imina Masaakira, gō first Ninsai then Deishū). Born the second son of the hatamoto Yamaoka Masanari and adopted into his mother’s Takahashi house; younger brother of the spearman Yamaoka Seizan.
The Yamaoka family spear art was called Jitokuin-ryū (自得院流) sōjutsu, also recorded as Ninshin-ryū (忍心流). Deishū trained under his elder brother Seizan and was praised as reaching divine skill; he became Kōbusho spear instructor at 22 (1856) and shihan-yaku in 1860.
Deishū’s “peerless / divine-skill” reputation was personal brilliance inside a tiny private line, and it reached the historical record through two channels that had nothing to do with a documented school: the Kōbusho, where he became spear shihan-yaku in 1860 and effectively put the Yamaoka family art at the head of the academy’s spear instruction over the body of Hōzōin men, and the bakumatsu political stage, where he stands as one of the “three boats.”
Deishū performed a celebrated bout at the Kōbusho’s reopening when it relocated to Kanda Ogawamachi in early 1860, at an exhibition staged before Shōgun Tokugawa Iemochi and Tairō Ii Naosuke. Deishū faced Sakakibara Kenkichi of Jiki Shinkage-ryū, Odani Nobutomo’s foremost pupil. By 1860 Odani was the elderly Kōbusho head, the “sword-saint” in his sixties, seated as a dignitary rather than fencing. That was left to Sakakibara and his co-disciples. According to Jiki Shinkage-ryū lore, Deishū first faced Ido Kinpei and beat him using Ido’s own signature leg-entanglement (ashigarami), which brought the house down; he then met Sakakibara — and lost, Sakakibara taking the sword-versus-spear match to general acclaim.
He was born on 17 Tenpō 6 (15 March 1835) in Edo, the second son of the hatamoto Yamaoka Masanari, into a house distinguished for the Jitokuin-ryū (自得院流), also given as Ninshin-ryū (忍心流), spear. The family was a small-stipend bakufu line — he is described elsewhere as the second son of a poor minor official — so this was modest, not grand, samurai circumstance. His names shifted over a life, as was normal: his common/childhood name was Kenzaburō (謙三郎), his imina Masaaki (政晃), his azana Kanmō (寛猛), and his gō first Ninsai (忍歳) and only later Deishū (泥舟); after the Restoration he went by Seiichi (精一). Pikara + 3
The “Takahashi” comes from an adoption: he succeeded on his mother’s side, becoming the adopted heir of Takahashi Kanetsugu. His spear, though, came from the Yamaoka side — he trained under his elder brother Yamaoka Seizan, the family’s prodigy, and was eventually reckoned to have reached “peerless in the realm,” divine-skill level. So a boy from a poor hatamoto house made his name on the spear alone, the basis for the later quip that he “became Ise-no-kami on a single spear.”
The pivot of his early life — and the hinge that ties him to the other “boats” — was his brother’s death. Seizan died suddenly at twenty-seven (by the dramatic telling, entering the Sumida River while ill to defend his swimming teacher and succumbing to heart failure), and Deishū, who revered him, was said to have been so stricken he nearly took his own life to follow. With the Yamaoka sons all married out to other houses and only the sister Fusako left, it was Deishū — then still Kenzaburō — who arranged for his fellow spear-student Ono Tetsutarō to marry Fusako and be adopted as the Yamaoka heir; that student became Yamaoka Tesshū, and so Deishū was his brother-in-law. In the split that followed, Tesshū carried on the Yamaoka house name while Deishū kept the spear dōjō — which is how the family spear line stayed with him.
His public career began young: in 1856, at twenty-two, he was selected as a spear instructor at the Kōbusho, the post from which the rest — the shihan-yaku rank, the 1860 exhibition, and the bakumatsu drama — followed.
In 1863 he oversaw the Rōshigumi as rōshi-torishimari and was titled Ise-no-kami, and in 1866 he was made head (tōdori) of the newly created Yūgekitai while concurrently heading spear instruction for the unit. The Yūgekitai’s institutional head was Deishū, with Iba commanding in the field.
After Toba-Fushimi he urged Yoshinobu toward submission and guarded him at Kan’eiji, and when Katsu Kaishū chose him as envoy to Saigō, he declined out of concern for Yoshinobu and proposed his brother-in-law Yamaoka Tesshū go to Sunpu instead — the deferral that set up the Tesshū–Saigō talks behind the bloodless surrender. He is one of the “Three Boats of the bakumatsu” with Katsu and Tesshū; Katsu’s famous line was that Deishū “became Ise-no-kami on the strength of a single spear.”
Tesshū, note, was the Ono son adopted into the Yamaoka house as Seizan’s sister’s husband — Deishū’s brother-in-law.
