Emperor Ninmyō
Emperor of Japan
Crown Prince (親王 Shinnō?)
Reign 823-833
Coronation January 6, 823
Emperor (天皇 Tennō?)
Reign 833-850
Enthronement March 22, 833
Predecessor Junna
Successor Montoku
Empress Fujiwara no Junshi, daughter of Fujiwara no Fuyutsugu
Full name
Masara (正良)
Era name and dates
Tenchō, Jōwa, Kashō: 824-834, 834-848, 848-851
Posthumous name
Ninmyō (仁明?)
Father Saga
Mother Tachibana no Kachiko
Born 810
Died May 6, 850
Heian Kyō (Kyōto)
Burial Fukakusa no misasagi (Kyoto)

Emperor Ninmyō (仁明天皇 Ninmyō-tennō?, 810 – May 6, 850)[1] was the 54th emperor of Japan,[2] according to the traditional order of succession.[3] Ninmyō's reign lasted from 833 to 850.[4]


Traditional narrative

Ninmyō was the second son of Emperor Saga and the Empress Tachibana no Kachiko. His personal name (imina) was Masara (正良?).[5] After his death, he was given the title Ninmyō (仁明?).

Ninmyō had nine Empresses, Imperial consorts, and concubines (kōi); and the emperor had 24 Imperial sons and daughters.[6]

Emperor Ninmyō is traditionally venerated at his tomb; the Imperial Household Agency designates Fukakusa no Misasagi (深草陵?, Fukakusa Imperial Mausoleum), in Fushimi-ku, Kyoto, as the location of Ninmyō's mausoleum.[2]

Events of Ninmyō's life

Ninmyō ascended to the throne following the abdication of his uncle, Emperor Junna.

  • January 6, 823 [7](Kōnin 10, 4th month, 19th day[8]): Received the title of Crown Prince at the age of 14.
  • March 22, 833 (Tenchō 10, 28th day of the 2nd month[9]): In the 10th year of Emperor Junna's reign, the emperor abdicated; and the succession (senso) was received by his adopted son. Masara-shinnō was the natural son of Emperor Saga, and therefore would have been Junna's nephew.[6] Shortly thereafter, Emperor Ninmyo is said to have acceded to the throne (sokui).[10]

Shortly after Ninmyo was enthroned, he designated an heir. He named as Prince Tsunesada, a son of former Emperor Junna, as the crown prince.[11]

  • 835 (Jōwa 2[12]): Kūkai (known posthumously as Kōbō-Daishi) died. This monk, scholar, poet, and artist had been the founder of the Shingon or "True Word" school of Buddhism.[11]
  • 842: Following a coup d'état, Tsunesada the crown prince was replaced with Ninmyō's first son, Prince Michiyasu (later Emperor Montoku) whose mother was the Empress Fujiwara no Junshi, a daughter of sadaijin Fujiwara no Fuyutsugu. It is supposed that this was the result of political intrigue planned by Ninmyō and Fujiwara no Yoshifusa.[13] The first of what would become a powerful line of Fujiwara regents,[14] Yoshifusa had numerous family ties to the imperial court; he was Ninmyō's brother in law (by virtue of his sister who became Ninmyō's consort), the second son of sadaijin Fuyutsugu, and uncle to the new crown prince.[13]

In his lifetime, Ninmyō could not have anticipated that his third son, Prince Tokiyasu, would eventually ascend the throne in 884 as Emperor Kōkō.[15]

  • May 6, 850 (Kashō 3, 21st day of the 3rd month[16]): Emperor Ninmyō died at the age of 41.[17][18] He was sometimes posthumously referred to as "the Emperor of Fukakusa," because that was the name given to his tomb.[19]

Eras of Ninmyō's reign

The years of Ninmyō's reign are more specifically identified by more than one era name (nengō).[20]


Kugyō (公卿?) is a collective term for the very few most powerful men attached to the court of the Emperor of Japan in pre-Meiji eras.[21]

In general, this elite group included only three to four men at a time. These were hereditary courtiers whose experience and background would have brought them to the pinnacle of a life's career. During Ninmyō's reign, this apex of the Daijō-kan included:

  • Sadaijin, Fujiwara no Otsugu (藤原緒嗣), 773-843.[22]
  • Sadaijin, Minamoto no Tokiwa (源常), 812-854.[6]
  • Udaijin, Kiyohara no Natsuno (清原夏野), 782-837.[6]
  • Udaijin, Fujiwara no Mimori (藤原三守), d. 840.[6]
  • Udaijin, Minamoto no Tokiwa (源常)
  • Udaijin, Tachibana no Ujikimi (橘氏公), 783-847.[6]
  • Udaijin, Fujiwara no Yoshifusa (藤原良房), 804-872.[11]
  • Udaijin, Fujiwara no Otsugu, 825-832[22]
  • Naidaijin (not appointed)
  • Dainagon, Fujiwara no Otsugu, ?-825.[23]

Consorts and children

Nyōgo (Tai-Kōtaigō): Fujiwara no Junshi (藤原順子) (809-871), daughter of Fujiwara no Fuyutsugu (藤原冬嗣)

Nyōgo: Fujiwara no Takushi (藤原沢子) (?-839), daughter of Fujiwara no Fusatsugu (藤原総継)

  • Imperial Prince Muneyasu (宗康親王) (828-868)
  • Imperial Prince Tokiyasu (時康親王) (Emperor Kōkō) (830-887)
  • Imperial Prince Saneyasu (人康親王) (831-872)
  • Imperial Princess Shinshi (新子内親王) (?-897)

Nyōgo: Fujiwara no Teishi/Sadako (藤原貞子) (?-864), daughter of Fujiwara no Mimori (藤原三守)

  • Imperial Prince Nariyasu (成康親王) (836-853)
  • Imperial Princess Shinshi (親子内親王) (?-851)
  • Imperial Princess Heishi (平子内親王) (?-877)

Nyōgo: Tachibana no Kageko (橘影子) (?-864), daughter of Tachibana no Ujikimi (橘氏公)

Koui: Ki no Taneko (紀種子) (?-869), daughter of Ki no Natora (紀名虎)

  • Imperial Prince Tsuneyasu (常康親王) (?-869)
  • Imperial Princess Shinshi/Saneko (真子内親王) (?-870)

Koui(deposed in 845): A daughter of Mikuni clan, Mikuni-machi (三国町)

  • Sada no Noboru (貞登), given the family name 'Sada' from Emperor (Shisei Kōka, 賜姓降下) in 866

Court lady: Shigeno no Tsunako (滋野縄子), daughter of Shigeno no Sadanushi (滋野貞主)

  • Imperial Prince Motoyasu (本康親王) (?-902)
  • Imperial Princess Tokiko (時子内親王) (?-847), 2nd Saiin in Kamo Shrine 831-833
  • Imperial Princess Jūshi (柔子内親王) (?-869)

Court lady: Fujiwara no Katoko (藤原賀登子), daughter of Fujiwara no Fukutomaro (藤原福当麻呂)

  • Imperial Prince Kuniyasu (国康親王) (?-898)

Court lady: Fujiwara no Warawako (藤原小童子), daughter of Fujiwara no Michitō (藤原道遠)

  • Imperial Princess Shigeko (重子内親王) (?-865)

Court lady: Princess Takamune (高宗女王), daughter of Prince Okaya (岡屋王)

Court lady (Nyoju): Kudara no Yōkyō (百済永慶), daughter of Kudara no Kyōfuku (百済教復)

  • Imperial Princess Takaiko (高子内親王) (?-866), 3rd Saiin in Kamo Shrine 833-850

Court lady: A daughter of Yamaguchi clan (山口氏の娘)

  • Minamoto no Satoru (源覚) (849-879)

(from unknown women)

  • Minamoto no Masaru (源多) (831-888), Udaijin 882-888
  • Minamoto no Suzushi (源冷) (835-890), Sangi 882-890
  • Minamoto no Hikaru (源光) (846-913), Udaijin 901-913
  • Minamoto no Itaru (源効)

See also


Japanese Imperial kamon — a stylized chrysanthemum blossom
  1. ^ Spelling note: A modified Hepburn romanization system for Japanese words is used throughout Western publications in a range of languages including English. Unlike the standard system, the "n" is maintained even when followed by "homorganic consonants" (e.g., shinbun, not shimbun). In the same way that Wikipedia has not yet adopted a consensus policy to address spelling variations in English (e.g., humour, not humor), variant spellings based on place of articulation are unresolved, perhaps unresolvable -- as in Emperor Ninmyō vs. Emperor Nimmyō, which are each construed as technically correct.
  2. ^ a b Emperor Ninmyō, Fukakusa Imperial Mausoleum, Imperial Household Agency
  3. ^ Ponsonby-Fane, Richard. (1959). The Imperial House of Japan, pp. 64-65.
  4. ^ Brown and Ishida, pp.283-284; Varley, H. Paul. (1980). Jinnō Shōtōki, p. 164-165; Titsingh, Isaac. (1834). Annales des empereurs du Japon, pp. 106-112. at Google Books
  5. ^ Brown and Ishida, p. 282; Varley, p. 164.
  6. ^ a b c d e f Brown and Ishida, p. 283.
  7. ^ Julian dates derived from NengoCalc
  8. ^ 弘仁十四年四月十九日?
  9. ^ 天長十年二月二十八日?
  10. ^ Titsingh, p. 106; Brown and Ishida, pp. 283; Varley, p. 44; a distinct act of senso is unrecognized prior to Emperor Tenji; and all sovereigns except Jitō, Yōzei, Go-Toba, and Fushimi have senso and sokui in the same year until the reign of Emperor Go-Murakami.
  11. ^ a b c Brown and Ishida, pp. 284.
  12. ^ 承和二年?
  13. ^ a b Mason and Caiger, p. 69
  14. ^ Mason and Caiger, p. 71
  15. ^ Titsingh, p. 124; Brown and Ishida, p. 289; Varley, pp. 171-175.
  16. ^ 嘉祥三年三月二十一日?
  17. ^ Brown and Ishida, p. 284
  18. ^ Adolphson, Mikael et al. (2007). Heian Japan, centers and peripheries, p. 23.
  19. ^ Brown and Ishida, p. 284; Varley, p. 165.
  20. ^ Titsingh, p. 106.
  21. ^ Heian period Imperial courts: -- kugyō of Ninmyō-tennō (in French)
  22. ^ a b Nussbaum, Louis-Frédéric. (2005). "Fujiwara no Otsugu" in Japan Encyclopedia, p. 208 at Google Books.
  23. ^ Titsingh, p. 104. at Google Books
  24. ^ Saikū Historical Museum, Meiwa, Mie: wall-display information table.


External links

Regnal titles
Preceded by
Emperor Junna
Emperor of Japan:

Succeeded by
Emperor Montoku

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