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  • Yokoyama Sakujiro

    横山 作次郎
    Japan
    b. 1864, TokyoBorn 1864, Tokyo
    d. 1912-09-23, JapanDied 1912-09-23, Japan
    id_cardfamily_historyconversion_path
    workspace_premium67.1 · Major

    Description

    Yokoyama Sakujirō was one of the earliest disciples of Kanō Jigorō and one of the Kodokan Shitennō (Four Guardians of the Kodokan). He was known as "Demon Yokoyama" for his violent fighting style and harsh training methods.

    Teachers (2)

    • Kanō Jigorō
      sports_martial_artsKōdōkan Jūdō Confirmed
      Confirmed
      Wikipedia and Kanō's own memoirs state it.
      The evidence establishes the claim: it is sufficient and consistent, and any conflicting evidence is resolved.
      location_onKodokan badge (1886)
      fact_checkassessed by FSMverified
      Frederico Muñoz
      Researcher, Martialis
      3 sources expand_more
      fact_check
      Wikipedia and Kanō's own memoirs state it.
      “Yokoyama Sakujirō [...] was one of the earliest disciples of Kanō Jigorō.”
      — Yokoyama Sakujiro - Wikipedia (English). Wikipedia (English)link history info
      “1886年(明治19年)、23歳、4月に嘉納治五郎の講道館に入門。”
      — 横山作次郎 - Wikipedia (Japanese). Wikipedia (Japanese) link history info
      visibilityFirst-hand
      “Those who were specializing in judo included Shiro Saigo, Yoshitsugu Yamashita, Sakujiro Yokoyama”
      — Brian N. Watson. (2008). Judo Memoirs of Jigoro Kanoinfo
    • person
      Inoue Keitaro
      sports_martial_artsTenjin Shin'yō-ryū Probable
      Probable
      Historical records indicate Yokoyama trained in Tenjin Shin'yō-ryū jujutsu before joining Kodokan; specific teacher and dojo mentioned in reliable sources.
      The evidence favours the claim and nothing credible contradicts it, but it falls short of establishing it.
      location_onYushima Tenjin dojo badge
      fact_checkassessed by FSMverified
      Frederico Muñoz
      Researcher, Martialis
      2 sources expand_more
      fact_check
      Historical records indicate Yokoyama trained in Tenjin Shin'yō-ryū jujutsu before joining Kodokan; specific teacher and dojo mentioned in reliable sources.
      “He trained in Tenjin Shin'yō-ryū jujutsu under Keitaro Inoue in the Yushima Tenjin dojo”
      — Yokoyama Sakujiro - Wikipedia (English). Wikipedia (English)link history info
      “井上敬太郎(道場は湯島天神下)に天神真楊流を学んだ。”
      — 横山作次郎 - Wikipedia (Japanese). Wikipedia (Japanese) link history info

    Lineage

    • Tenjin Shin'yō-ryūInoue Keitaro ← Iso Masatari Mataemon · 2 generations

    Ranks (1)

    • sports_martial_artsKōdōkan Jūdō
      military_tech8 dan Probable
      Probable
      Posthumously awarded 8th dan rank; well-documented in Japanese Wikipedia and historical records as one of the highest ranks awarded to early Kodokan practitioners.
      The evidence favours the claim and nothing credible contradicts it, but it falls short of establishing it.
      Dan-Kyu System
      fact_checkassessed by FSMverified
      Frederico Muñoz
      Researcher, Martialis
      1 source expand_more
      fact_check
      Posthumously awarded 8th dan rank; well-documented in Japanese Wikipedia and historical records as one of the highest ranks awarded to early Kodokan practitioners.
      “段位は八段(没後追贈)”
      — 横山作次郎 - Wikipedia (Japanese). Wikipedia (Japanese) link history info

    Students (7)

    • Takahashi Kazuyoshi
      sports_martial_artsKōdōkan Jūdō Probable
      Probable
      Well-documented student of Yokoyama Sakujiro at the Kodokan, mentioned in Japanese Wikipedia biography as his direct disciple
      The evidence favours the claim and nothing credible contradicts it, but it falls short of establishing it.
      location_onKodokan badge (1904)
      fact_checkassessed by FSMverified
      Frederico Muñoz
      Researcher, Martialis
      1 source expand_more
      fact_check
      Well-documented student of Yokoyama Sakujiro at the Kodokan, mentioned in Japanese Wikipedia biography as his direct disciple
      “講道館四天王の1人である横山作次郎の直弟子であり、切れ味鋭い足技を駆使した返し技(裏技)の達人であった。”
      — 高橋数良 - Wikipedialink history
    • person
      Satake Soshihiro
      sports_martial_artsKōdōkan Jūdō Probable
      Probable
      Student of Yokoyama Sakujiro at the Kodokan from 1892, per Japanese Wikipedia; a BJJ blog has him training under Yokoyama with Maeda; not independent
      The evidence favours the claim and nothing credible contradicts it, but it falls short of establishing it.
      location_onKodokan badge (1892)
      fact_checkassessed by FSMverified
      Frederico Muñoz
      Researcher, Martialis
      2 sources expand_more
      fact_check
      Student of Yokoyama Sakujiro at the Kodokan from 1892, per Japanese Wikipedia; a BJJ blog has him training under Yokoyama with Maeda; not independent
      “At some point later, probably in the late 1890’s, he joined the Kodokan and would become peers of Mitsuyo Maeda. The two judoka trained together under Sakujiro Yokoyama, who was known as one of the Four Guardians of the Kodokan”
      — The Sumo wrestler who taught BJJ, Soshiro Satake link
      “1892年(明治25年)5月に講道館に入門”
      — 佐竹信四郎 - Wikipedialink history
    • Omori Kojiro
      fact_checkassessed by FSMverified
      Frederico Muñoz
      Researcher, Martialis
      1 source expand_more
      fact_check
      Japanese Wikipedia mentions involvement with Yokoyama Sakujiro at Higher Normal School, but relationship not clearly defined as teacher-student
      “高師で柔道教授をつとめた横山作次郎とも関わった。”
      — ジオ大森 - Wikipedia (Japanese)link history
    • Mifune Kyūzō
      sports_martial_artsKōdōkan Jūdō Confirmed
      Confirmed
      Independent sources state it.
      The evidence establishes the claim: it is sufficient and consistent, and any conflicting evidence is resolved.
      location_onKodokan badge (1903)
      fact_checkassessed by FSMverified
      Frederico Muñoz
      Researcher, Martialis
      2 sources expand_more
      fact_check
      Independent sources state it.
      “講道館では横山作次郎に師事。”
      — Japanese Wikipedia article on Mifune Kyūzō link history
      “Impressed by Mifune’s ardor, Yokoyama accepted Mifune as his student at the Kodokan. Mifune trained relentlessly under Demon Yokoyama.”
      — Stevens, John. (2013). The Way of Judo: A Portrait of Jigoro Kano and His Studentsinfo
    • person
      Maeda Mitsuyo
      sports_martial_artsKōdōkan Jūdō Probable
      Probable
      JA Wikipedia on Yokoyama names Maeda as his student; a BJJ blog that likely draws on it agrees; not independent
      The evidence favours the claim and nothing credible contradicts it, but it falls short of establishing it.
      location_onKodokan badge (1897)
      fact_checkassessed by FSMverified
      Frederico Muñoz
      Researcher, Martialis
      2 sources expand_more
      fact_check
      JA Wikipedia on Yokoyama names Maeda as his student; a BJJ blog that likely draws on it agrees; not independent
      “また、三船久蔵や前田光世の師匠としても知られる”
      — 横山作次郎 (ウィキペディア)link history
      “At some point later, probably in the late 1890’s, he joined the Kodokan and would become peers of Mitsuyo Maeda. The two judoka trained together under Sakujiro Yokoyama, who was known as one of the Four Guardians of the Kodokan”
      — The Sumo wrestle who taught BJJ, Soshiro Satake link
    • person
      Isogai Hajime
      sports_martial_artsKōdōkan Jūdō Probable
      Probable
      Student of Yokoyama Sakujiro at the Kodokan from 1891, per his Wikipedia biography; Wikipedia only
      The evidence favours the claim and nothing credible contradicts it, but it falls short of establishing it.
      location_onKodokan badge (1891)
      fact_checkassessed by FSMverified
      Frederico Muñoz
      Researcher, Martialis
      1 source expand_more
      fact_check
      Student of Yokoyama Sakujiro at the Kodokan from 1891, per his Wikipedia biography; Wikipedia only
      “In 1891, he moved to Tokyo and joined the Kodokan where he studied judo under Yokoyama Sakujiro.”
      — Hajime Isogai - Wikipedialink history
    • person
      Iizuka Kunisaburō
      sports_martial_artsKōdōkan Jūdō Probable
      Probable
      Documented as a student at the Kodokan from 1891, with specific enrollment date recorded in historical records
      The evidence favours the claim and nothing credible contradicts it, but it falls short of establishing it.
      location_onKodokan badge (1891)
      fact_checkassessed by FSMverified
      Frederico Muñoz
      Researcher, Martialis
      1 source expand_more
      fact_check
      Documented as a student at the Kodokan from 1891, with specific enrollment date recorded in historical records
      “one day he saw a man carrying a judo uniform and followed him to the Kodokan. There he applied for entry, was found acceptable, and signed its enrollment book on November 23, 1891 [...] Sakujiro Yokoyama was head instructor.”
      — Judo: Kunisaburo Iizuka (Journal of Combative Sport, July 2002)link

    Sources

    横山作次郎 - Wikipedia (Japanese). Wikipedia (Japanese)link history info
    Yokoyama Sakujiro - Wikipedia (English). Wikipedia (English) link history info

    Identifiers

    https://martial.is/entity/01KJJAWN29MA64W22606R3WD7H
    Wikidata DBpedia

    Cite and reuse

    CC BY-SA 4.0expand_more
    Plain text
    Muñoz, Frederico (YEAR_PLACEHOLDER). Yokoyama Sakujiro. In Martialis: Martial Arts Lineage Database. https://martial.is/entity/01KJJAWN29MA64W22606R3WD7H - CC BY-SA 4.0. Accessed ACCESSED_DATE_PLACEHOLDER.
    BibTeX
    @incollection{martialis_01KJJAWN29MA64W22606R3WD7H, author = {Muñoz, Frederico}, title = {Yokoyama Sakujiro}, booktitle = {Martialis: Martial Arts Lineage Database}, year = {YEAR_PLACEHOLDER}, url = {https://martial.is/entity/01KJJAWN29MA64W22606R3WD7H}, urldate = {ACCESSED_DATE_PLACEHOLDER}, note = {CC BY-SA 4.0} }
    data_object JSON-LDdata_object Turtle

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