Emperor Tenji

Emperor Tenji
Emperor of Japan

(From Ogura Hyakunin Isshu)
Reign 661–668 (regency)
Born 626
Died January 7, 672)
Place of death Ōmi no Miya(Shiga)
Buried Yamashina no misasagi (Kyoto)
Predecessor Saimei
Successor Kōbun
Consort Yamato(?-?),
daughter of Prince Furuhito-no-Ōe
Offspring Princess Ōta, Empress Jitō and Prince Takeru by Ochi-no-iratsume
Princess Minabe and Empress Gemmei by Mei-no-iratsume
Princess Yamanobe by Hitachi-no-iratsume
Princess Asuka and Princess Niitabe by Tachibana-no-iratsume
Prince Shiki by Michinokimi-no-iratsume
Emperor Kōbun by Yakako-no-iratsume
Prince Kawashima, Princess Ōe and Princess Izumi by Shikobuko-no-iratsume
Princess Minushi by Kurohime-no-iratsume
Father Emperor Jomei
Mother Empress Kōgyoku

Emperor Tenji (天智天皇 Tenji-tennō?, 626 – January 7, 671), also known as Emperor Tenchi, was the 38th emperor of Japan,[1] according to the traditional order of succession.[2]

Tenji's reign spanned the years from 661 through 671.[3]


Traditional narrative

He was the son of Emperor Jomei, but was preceded as ruler by his mother Empress Saimei.

Prior to his accession, he was known as Prince Naka-no-Ōe (中大兄皇子 Naka-no-Ōe no Ōji?).

Events of Tenji's life

As prince, Naka no Ōe played a crucial role in ending the near-total control the Soga clan had over the imperial family. In 644, seeing the Soga continue to gain power, he conspired with Nakatomi no Kamatari and Soga no Kurayamada no Ishikawa no Maro to assassinate Soga no Iruka in what has come to be known as the Isshi Incident. Although the assassination did not go exactly as planned, Iruka was killed, and his father and predecessor, Soga no Emishi, committed suicide soon after. Following the Isshi Incident, Iruka's adherents dispersed largely without a fight, and Naka no Ōe was named heir apparent. He also married the daughter of his ally Soga no Kurayamada, thus ensuring that a significant portion of the Soga clan's power was on his side.

Events of Tenji's reign

Naka no Ōe reigned as Emperor Tenji from 661 to 672.

  • 661: In the 3rd year of Saimei's reign (斉明天皇3年?), the empress designated her son as her heir; and modern scholars construe this as meaning that this son would have received the succession (senso) after her death or abdication. Shortly after, she died, Emperor Tenji could be said to have acceded to the throne (sokui).[4]
  • 662: Tenji is said to have compiled the first Japanese legal code known to modern historians. The Ōmi Code, consisting of 22 volumes, was promulgated in the last year of Tenji's reign.[2] This legal codification is no longer extant, but it is said to have been refined in what is known as the Asuka Kiyomihara ritsu-ryō of 689; and these are understood to have been a forerunner of the Taihō ritsu-ryō of 701.[5]
  • 668: An account in Nihon Shoki becomes the first mention of petrochemical oil in Japan. In the 7th year of Tenji's reign (天智7年?), flammable water (petroleum) was presented as an offering to Emperor Tenji from Echigo Province (now known as a part of Niigata Prefecture).[6] This presentation coincided with the emperor's ceremonial confirmation as emperor. He had postponed formalities during the period that the mausoleum of his mother was being constructed; and when the work was finished, he could delay no longer. Up until this time, although he had been defacto monarch, he had retained the title of Crown Prince.[3]

Tenji was particularly active in improving the military institutions which had been established during the Taika reforms.[7]

Death of the emperor

Following his death in 672, there ensued a succession dispute between his fourteen children (many by different mothers). In the end, he was succeeded by his son, Prince Ōtomo, also known as Emperor Kōbun, then by Tenji's brother Prince Ōama, also known as Emperor Temmu. Almost one hundred years after Tenji's death, the throne passed to his grandson Emperor Kōnin.

Post-Meiji chronology
  • In the 10th year of Tenji, in the 11th month (671): Emperor Tenji, in the 10th year of his reign (天智天皇10年?), designated his son as his heir; and modern scholars construe this as meaning that the son would have received the succession (senso) after his father's death. Shortly thereafter, Emperor Kōbun is said to have acceded to the throne (sokui).[8] If this understanding were valid, then it would it would follow:
  • In the 1st year of Kōbun (672): Emperor Kōbun, in the 1st year of his reign (弘文天皇1年), died; and his uncle Ōaomi-shinnō received the succession (‘‘senso’’) after the death of his nephew. Shortly thereafter, Emperor Temmu could be said to have acceded to the throne (‘‘sokui’’).[9]
Pre-Meiji chronology
Prior to the 19th century, Otomo was understood to have been a mere interloper, a pretender, an anomaly; and therefore, if that commonly-accepted understanding were to have been valid, then it would have followed:
  • In the 10th year of Tenji, in the 11th month (671): Emperor Tenji, in the {{nihongo|10th year of his reign (天智天皇10年), died; and despite any military confrontations which ensued, the brother of the dead sovereign would have received the succession (senso); and after a time, it would have been understood that Emperor Temmu rightfully acceded to the throne (sokui).
Memorial Shinto shrine and mausoleum honoring Emperor Tenji

The actual site of Tenji's grave is known.[1] This emperor is traditionally venerated at a memorial Shinto shrine (misasagi) at Yamashina-ku, Kyoto.

The Imperial Household Agency designates this location as Tenji's mausoleum. It is formally named Yamashina no misasagi.[10]


The Man'yōshū includes poems attributed to emperors and empresses; and according to Donald Keene, evolving Man'yōshū studies have affected the interpretation of even simple narratives like "The Three Hills." The poem was long considered to be about two male hills in a quarrel over a female hill, but scholars now consider that Kagu and Mimihashi might be female hills in love with the same male hill, Unebi.[11] This still-unresolved enigma in poetic form is said to have been composed by Emperor Tenji while he was still Crown Prince during the reign of Empress Saimei:

Mount Kagu strove with Mount Miminashi
For the love of Mount Unebi.
Such is love since the age of the gods;
As it was thus in the early days,
So people strive for spouses even now.
-- Emperor Tenji[12]

One of his 31-letters poems was chosen by Fujiwara no Teika as the first in the very popular anthology Hyakunin Isshu.

Aki no ta no
Kariho no io no
Toma o arami
Waga koromode wa
Tsuyu ni nure tsutsu
-- Emperor Tenji[13]
Literal Translation:
___ Arami ______ wo _________ toma ____
Because of the coarseness of the rush-mat
_ no _ io_no _ Kariho ____
Of the hut of temporary-hut
_ no _ ta _ no__ aki __
Of the rice of autumn
_ wa __________ waga koromode __
As far as concerns my sleeves
____ nure-tsutsu ____ ni ____ tsuyu ____
They are becoming wet with dew (or rain).
-- Emperor Tenji[13]

After his death, his wife, Empress Yamato wrote a song of longing about her husband.[14]


The top court officials (公卿 Kugyō?) during Emperor Tenji's reign included:

Prince Ōtomo (Ōtomo-shinnō) was the favorite son of Emperor Tenji; and he was also the first to be accorded the title of Daijō-daijin.[16]

Non-nengō period

The years of Tenji's reign are not linked by scholars to any era or nengō.[3] The Taika era innovation of naming time periods -- nengō -- languished until Mommu reasserted an imperial right by proclaiming the commencement of Taihō in 701.

In this context, Brown and Ishida's translation of Gukanshō offers an explanation about the years of Empress Jitō's reign which muddies a sense of easy clarity in the pre-Taiho time-frame:

"The eras that fell in this reign were: (1) the remaining seven years of Shuchō [(686+7=692?)]; and (2) Taika, which was four years long [695-698]. (The first year of this era was kinoto-hitsuji [695].) ...In the third year of the Taka era [697], Empress Jitō yielded the throne to the Crown Prince."[17]

Consorts and Children

Empress: Empress Yamato (倭姫王) (?–?), daughter of Prince Furuhito-no-Ōe (son of Emperor Jomei).

Hin: Soga no Ochi-no-iratsume (蘇我遠智娘) (?–651?), daughter of Soga no Kura-no-yamada no Ishikawa-no-maro

Hin: Soga no Mei-no-iratsume (蘇我姪娘), daughter of Soga no Kura-no-yamada no Ishikawa-no-maro

  • Princess Minabe (御名部皇女) (658?–?), married to Prince Takechi
  • Princess Abe (Princess Ahe) (阿閇皇女) (Empress Gemmei) (661–721)

Hin: Soga no Hitachi-no-iratsume (蘇我常陸娘), daughter of Soga no Akae

Hin: Abe no Tachibana-no-iratsume (阿部橘娘) (?–681), daughter of Abe no Kurahashi-maro

Court lady: Oshinumi no Shikibuko-no-iratsume (忍海色夫古娘)

  • Prince Kawashima (川島皇子) (657–691)

Court lady: Koshi-no-michi no Iratsume (越道伊羅都売)

Court lady: Kurikuma no Kurohime-no-iratsume (栗隈黒媛娘)

Court lady (Uneme): Yakako-no-iratsume, a lower court lady from Iga (伊賀采女宅子娘) (Iga no Uneme)

See also


Japanese Imperial kamon — a stylized chrysanthemum blossom
  1. ^ a b Imperial Household Agency (Kunaichō): 天智天皇 (38)
  2. ^ a b Ponsonby-Fane, Richard. (1959). The Imperial House of Japan, p. 52.
  3. ^ a b c Titsingh, Isaac. (1834). Annales des empereurs du Japon, p. 54. at Google Books
  4. ^ Titsingh, p. 54; Varley, H. Paul. (1980). Jinnō Shōtōki, 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.
  5. ^ Varley, p. 136 n. 43.
  6. ^ Aston, William George. (1896). Nihongi, p. 289 n2. at Google Books
  7. ^ Asakawa, Kan'ichi. (1903). The Early Institutional Life of Japan, p. 313.
  8. ^ Brown, Delmer et al. (1979). Gukanshō, pp. 268-269.
  9. ^ Titsingh, pp. 55-58.
  10. ^ Ponsonby-Fane, p. 420.
  11. ^ Nippon Gakujutsu Shinkokai. (1969). The Manyōshū, p. iv.
  12. ^ Nippon Gakujutsu Shinkokai, p. 5.
  13. ^ a b MacCauley, Clay. (1900). "Hyakunin-Isshu: Single Songs of a Hundred Poets" in Transactions of the Asia Society of Japan, p. 3.
  14. ^ Sato. p. 21. 
  15. ^ a b Brown, p. 268.
  16. ^ Ponsonby-Fane, p. 53.
  17. ^ Brown, p. 270.


External links

Regnal titles
Preceded by
Empress Saimei
Emperor of Japan:

Succeeded by
Emperor Kōbun

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