Fujiwara no Koretada

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Fujiwara no Koretada
Imperial Regent of Japan
In office
June 26, 970 – December 1, 972
Preceded byFujiwara no Saneyori
Succeeded byFujiwara no Kaneie
Personal details
DiedDecember 9, 972(972-12-09) (aged 47–48)
Heian Kyō (Kyōto)
Spouse(s)Princess Keiko
ParentsFujiwara no Morosuke (father)
Fujiwara no Seishi (mother)

Fujiwara no Koretada (藤原 伊尹; 924 – December 9, 972), also known as Fujiwara no Koremasa or Kentokuko, Ichijō sesshō and Mikawa-kō, was a Japanese statesman, courtier, politician and waka-poet during the Heian period.[1]

His poems were published in "The Collected Poems of the First Ward Regent", Ichijo Sessho Gyoshu, and in Hyakunin Isshu (poem No. 45).


Emperor Murakami named Koretada conservator of Japanese poetry in 951.[2]

Koretada served as a minister during the reign of Emperor En'yū.

  • 970 (Tenroku 1, 1st month): Koretada is named udaijin.[3]
  • 970 (Tenroku 1, 5th month): After the death of Fujiwara no Saneyori, Koretada is named sesshō (regent).[4]
  • 971 (Tenroku 2, 11th month): Koretada assumes the office of daijō daijin.[3]
  • 972 (Tenroku 3, 5th day of the 1st month): The enthronement of Emperor En'yu is supervised by Koretada.[5]
  • 972 (Tenroku 3, 11th month): Koretada died at age 49; and he was posthumously raised to first class rank. He was granted the posthumous title of Mikawa-kō. [5]

The immediate consequence of Koretada's death was a period of intense rivalry between his brothers Kanemichi and Kaneie.[6]


This member of the Fujiwara clan was the son of Morosuke.[1] He was the oldest son; and became head of the Hokke branch of the clan after his uncle Saneyori died in 970.

Koretada had four brothers: Kaneie,[7] Kanemichi,[8] Kinsue,[9] and Tamemitsu.[6]


  1. ^ a b Nussbaum, Louis-Frédéric. (2005). "Fujiwara no Tokihira" in Japan Encyclopedia, p. 203, p. 203, at Google Books; Brinkley, Frank et al. (1915). A History of the Japanese People from the Earliest Times to the End of the Meiji Era, p. 203., p. 203, at Google Books
  2. ^ Titsingh, Isaac. (1834). Annales des empereurs du japon, p. 140, p. 140, at Google Books; see "Fousiwara-no I tada", pre-Hepburn romanization
  3. ^ a b Titsingh, p. 144., p. 144, at Google Books
  4. ^ Brinkley, p. 259., p. 259, at Google Books; Titsingh, p. 144., p. 144, at Google Books
  5. ^ a b Titsingh, p. 145., p. 145, at Google Books
  6. ^ a b Brinkley, p. 259., p. 259, at Google Books
  7. ^ Nussbaum, "Fujiwara no Kaneie" at p. 203, p. 203, at Google Books
  8. ^ Nussbaum, "Fujiwara no Kanemichi" at p. 203, p. 203, at Google Books
  9. ^ Nussbaum, "Fujiwara no Kinsue" at p. 204, p. 204, at Google Books


  • Brinkley, Frank and Dairoku Kikuchi. (1915). A History of the Japanese People from the Earliest Times to the End of the Meiji Era. New York: Encyclopædia Britannica. OCLC 413099
  • Nussbaum, Louis-Frédéric and Käthe Roth. (2005). Japan encyclopedia. Cambridge: Harvard University Press. ISBN 978-0-674-01753-5; OCLC 58053128
  • Titsingh, Isaac. (1834). Nihon Odai Ichiran; ou, Annales des empereurs du Japon. Paris: Royal Asiatic Society, Oriental Translation Fund of Great Britain and Ireland. OCLC 5850691