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  • Kotani Sumiyuki

    小谷 澄之
    Japan
    b. 1903-08-03, Nakagawa, Asako District, Hyōgo (now Asago) Born 1903-08-03, Nakagawa, Asako District, Hyōgo (now Asago)
    d. 1991-10-09, Nishinomiya, HyogoDied 1991-10-09, Nishinomiya, Hyogo
    id_cardfamily_historyconversion_path
    11.0

    Description

    Sumiyuki Kotani (小谷 澄之, Kotani Sumiyuki; August 3, 1903 – October 9, 1991). Judo ambassador who travelled around with Kano, and one of this last direct students.

    Teachers (1)

    • Kanō Jigorō
      sports_martial_artsKōdōkan Jūdō Confirmed
      Confirmed
      Well-documented as one of Jigoro Kano's last direct students, with multiple reliable sources including Judo Info and biography book
      The evidence establishes the claim: it is sufficient and consistent, and any conflicting evidence is resolved.
      location_onKodokan badge (1921–1938)
      fact_checkassessed by FSMverified
      Frederico Muñoz
      Researcher, Martialis
      2 sources expand_more
      fact_check
      Well-documented as one of Jigoro Kano's last direct students, with multiple reliable sources including Judo Info and biography book
      “He was one of Jigoro Kano’s direct students, and only the 7th man to receive a 10th Degree Black Belt while he was still alive.”
      — Judo Info: Profiles of Judo 10th Dan Holders link
      “Kotani can be considered Kano's last direct disciple. [...] Kano often chose Kotani as a traveling instructor on his teaching tours overseas.”
      — Stevens, John. (2013). The Way of Judo: A Portrait of Jigoro Kano and His Studentsinfo

    Ranks (1)

    • sports_martial_artsKōdōkan Jūdō
      military_tech10 dan Confirmed
      Confirmed
      Officially awarded 10th dan by Kodokan in 1984, well-documented in Judo Channel and biography book
      The evidence establishes the claim: it is sufficient and consistent, and any conflicting evidence is resolved.
      Dan-Kyu System (1984)
      granted by Kodokan
      fact_checkassessed by FSMverified
      Frederico Muñoz
      Researcher, Martialis
      2 sources expand_more
      fact_check
      Officially awarded 10th dan by Kodokan in 1984, well-documented in Judo Channel and biography book
      “Sumiyuki Kotani [...] April, 1984 10th Dan”
      — Judo Channellink
      “[Kotani] was promoted to tenth dan in 1984”
      — Stevens, John. (2013). The Way of Judo: A Portrait of Jigoro Kano and His Studentsinfo

    Students (2)

    • Emilio Mel Bruno
      sports_martial_artsKōdōkan Jūdō Possible
      Possible
      One magazine profile places his start in judo with Kotani on the wrestling mats; that may mean teaching or only shared practice.
      Some evidence points to the claim, but it is thin, indirect, or in unresolved conflict with other evidence.
      (1932)
      fact_checkassessed by FSMverified
      Frederico Muñoz
      Researcher, Martialis
      1 source expand_more
      fact_check
      One magazine profile places his start in judo with Kotani on the wrestling mats; that may mean teaching or only shared practice.
      “Bruno took his initial bows in judo via the wrestling mats and Professor S. Kotani, who at that time in 1932 had come over to the United States for Olympic competition that same year in Los Angeles, California.”
      — (1971-01). The gentle old man of American Judo: Mel Brunolink info
    • person
      Yeiji Inouye
      sports_martial_artsKōdōkan Jūdō Probable
      Probable
      Judo Canada's own history only.
      The evidence favours the claim and nothing credible contradicts it, but it falls short of establishing it.
      history_eduTradition only
      Tradition only: every supporting source is the lineage's own account of itself
      location_onKodokan badge (1964–1967)
      fact_checkassessed by FSMverified
      Frederico Muñoz
      Researcher, Martialis
      1 source expand_more
      fact_check
      Judo Canada's own history only.
      “In 1964 he was appointed assistant military attache to the Canadian Embassy in Tokyo and stationed there for three years. Not only did he train daily at the Kodokan with Kotani-sensei and Shinojima-sensei”
      — Leyshon, Glynn A.. (1998). Judoka: The History of Judo in Canadainfo

    Sources

    Olympedia: Sumiyuki Kotanilink
    Judo Info: Profiles of Judo 10th Dan Holderslink
    Judo Channellink
    Wikipedia contributors. (2026). Sumiyuki Kotani. Wikipedia (English)link history info
    Stevens, John. (2013). The Way of Judo: A Portrait of Jigoro Kano and His Studentsinfo

    Identifiers

    https://martial.is/entity/01KJJAWN28MWKKSN4J02MVY1TB
    Wikidata DBpedia

    Cite and reuse

    CC BY-SA 4.0expand_more
    Plain text
    Muñoz, Frederico (YEAR_PLACEHOLDER). Kotani Sumiyuki. In Martialis: Martial Arts Lineage Database. https://martial.is/entity/01KJJAWN28MWKKSN4J02MVY1TB - CC BY-SA 4.0. Accessed ACCESSED_DATE_PLACEHOLDER.
    BibTeX
    @incollection{martialis_01KJJAWN28MWKKSN4J02MVY1TB, author = {Muñoz, Frederico}, title = {Kotani Sumiyuki}, booktitle = {Martialis: Martial Arts Lineage Database}, year = {YEAR_PLACEHOLDER}, url = {https://martial.is/entity/01KJJAWN28MWKKSN4J02MVY1TB}, urldate = {ACCESSED_DATE_PLACEHOLDER}, note = {CC BY-SA 4.0} }
    data_object JSON-LDdata_object Turtle

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