|Emperor of Japan|
(from the Ogura Hyakunin Isshu)
|Birthplace||Somedono In, Heian Kyō (Kyōto)|
|Place of death||Heian Kyō (Kyōto)|
|Buried||Kaguragaoka no Higashi no misasagi (Kyōto)|
|Mother||Fujiwara no Takaiko|
Yōzei's reign spanned the years from 876 through 884.
Yōzei was the oldest son of Emperor Seiwa. His mother was the Empress Fujiwara no Takaiko, who was also known after Seiwa's abdication as the Nijō empress. Yōzei's mother was the sister of Fujiwara no Mototsune, who would figure prominently in the young emperor's life.
In ancient Japan, there were four noble clans, the Gempeitōkitsu (源平藤橘). One of these clans, the Minamoto clan (源氏) are also known as Genji, and of these, the Yōzei Genji (陽成源氏) are descended from the 57th emperor Yōzei.
Yōzei had nine Imperial sons, born after he had abdicated.
Events of Yōzei's life
Yōzei was made emperor when he was an immature, unformed young boy.
- 869 (Jōgan 10): Yōzei was born, and he is named Seiwa's heir in the following year.
- 18 December 876 (Jōgan 18, 29th day of the 11th month): In the 18th year of Emperor Seiwa's reign (清和天皇18年), he ceded his throne to his son, which meant that the young child received the succession (senso). Shortly thereafter, Emperor Yōzei formally acceded to the throne (sokui).
- 20 January 877 (Gangyō 1, 3rd day of the 1st month): Yōzei was formally enthroned at age 8; and the beginning of a new nengō was proclaimed. However, the new residence being constructed for the emperor had not been completed; and initially, he must live elsewhere in the palace compound.
- 877 (Gangyō 1, 2nd month): Ambassadors from Baekje arrived in the province of Izumo; but they were turned back.
- 877 (Gangyō 1, 6th month): There was a great drought; and sacrifices were made at the temples of Hachiman, Kamo and other temples in Ise province. Eventually, it rained.
- 883 (Gangyō 7, 1st month): In his early teens, Yōzei often spent time alone; and sometimes he would feed live frogs to snakes so that he could watch the reptile swallowing; or sometimes, he would find pleasure in setting dogs and monkeys to fight. In time, these amusements became more dangerous. He himself executed criminals. When he became angry, he sometimes chased after those who dared speak up; and he sometimes tried to use his sword. Fujiwara no Mototsune, the Kanpaku, used every possible opportunity to turn Yōzei towards more seemly conduct, but the emperor closed his ears to all remonstrances.
- 884 (Gangyō 8, 1st month): The extravagant and dangerous habits of the emperor continued unabated. At one point, Mototsune came to the court and discovered that Yōzei had arranged a bizarre scenario for his diversion: He ordered some men to climb high into trees, and then he ordered others to use sharp lances to poke at these men in trees until they fell to their deaths. This extraordinary event convinced Motosune that the emperor was too "undignified" to reign. Mototsune reluctantly realized that someone needed to devise a strategy for deposing the emperor. Shortly thereafter, Mototsune approached Yōzei and remarked that it must be boring to be so often alone, and then Mototsune suggested that the emperor might be amused by a horse race. Yōzei was attracted to this proposition, and he eagerly encouraged Mototsune to set a time and place for the event. It was decided that this special amusement for the emperor would take place on the 4th day of the 2nd month of Gangyō 8.
- 4 March 884 (Gangyō 8, 4th day of the 2nd month): The pretext of a special horse race enticed the emperor to leave his palace. Yōzei traveled in a carriage which was quickly surrounded by a heavy guard. The carriage was redirected to "Yo seí in" palace ("Yang tchhing yuan") at "Ni zio", a town situated a short distance to the south-west of Miyako. Mototsune confronted the emperor, explaining that his demented behavior made him incapable of reigning, and that he was being dethroned. At this news, Yōzei cried sincerely, which did attract feelings of compassion from those who witnessed his contrition.
According to very scanty information from the Imperial archives, including sources such as Rikkokushi, and Nihon Sandai Jitsuroku, Emperor Yōzei murdered one of his retainers, an action that caused massive scandal in the Heian court. Japanese society during the Heian era was very sensitive to issues of "pollution," both spiritual and personal. Deaths (especially killing animals or people) were the worst acts of pollution possible, and warranted days of seclusion in order to purify oneself. Since the Emperor was seen as a divine figure and linked to the deities, pollution of such extreme degree committed by the highest source was seen as extremely ruinous. Many of the high court officials construed Emperor Yōzei's actions as exceeding the bounds of acceptable behavior, and as justifiable cause for the emperor to be forcibly deposed.
In Kitabatake Chikafusa's 14th-century account of Emperor Yōzei's reign, the emperor is described as possessing a "violent disposition" and unfit to be a ruler. In the end, when Fujiwara no Mototsune, who was Sesshō (regent for the child-emperor, 876–880), Kampaku (chief advisor or first secretary for the emperor, 880–890), and Daijō Daijin (Great Minister of the Council of State), decided that Yōzei should be removed from the throne, he discovered that there was general agreement amongst the kuge that this was a correct and necessary decision.
- 889 (Kanpyō 1, 10th month): The former emperor Yōzei was newly attacked by the mental illness. Yōzei would enter the palace and address courtiers he would meet with the greatest rudeness. He became increasingly furious. He garroted women with the strings of musical instruments and then threw the bodies into a lake. While riding on horseback, he directed his mount to run over people. Sometimes he simply disappeared into the mountains where he chased wild boars and Sika Deer, which in Shinto cosmology, were considered to be messengers of the kami.
Yōzei lived in retirement until the age of 81.
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 Yozei's reign, this apex of the Daijō-kan included:
- Sesshō, Fujiwara no Mototsune (藤原基経), 836–891.
- Kampaku, Fujiwara no Mototsune (藤原基経).
- Daijō-daijin, Fujiwara no Mototsune.
- Sadaijin, Minamoto no Tōru (源融).
- Udaijin, Fujiwara no Mototsune.
- Udaijin, Minamoto no Masaru (源多).
- Naidaijin (not appointed)
- Dainagon, Minamoto no Masaru (源多).
- Dainagon, Minafuchi no Toshina (南淵年名), 807–877
Eras of Yōzei's reign
The years of Yōzei's reign are more specifically identified by more than one era name or nengō. During this time, the tradition of naming eras because of good omens changed. Instead, the name of an era might be chosen to limit the effects of something bad.
Consorts and Children
Kōkyū: Princess Aneko (姉子女王)
- Imperial Prince Motonaga (元長親王) (901–976)
- Imperial Prince Mototoshi (元利親王) (?–964)
- Imperial Princess Chōshi (長子内親王) (?–922)
- Imperial Princess Genshi (儼子内親王) (?–930)
Court lady: A daughter of Fujiwara no Tōnaga (藤原遠永の娘)
- Imperial Prince Motoyoshi (元良親王) (890–943)
- Imperial Prince Motohira (元平親王) (?–958)
Court lady: A daughter of Ki clan (紀氏の娘)
- Minamoto no Kiyokage (源清蔭) (884–950), Dainagon 948–950
Court lady: A daughter of Saeki clan (佐伯氏の娘)
- Minamoto no Kiyotō (源清遠) (?–912)
Court lady: A daughter of Tomo clan (伴氏の娘)
- Minamoto no Kiyomi (源清鑒) (?–936)
- Imperial Household Agency (Kunaichō): 陽成天皇 (57)
- Ponsonby-Fane, Richard. (1959). The Imperial House of Japan, pp. 66–67.
- Titsigh, Isaac. (1834). Annales des empereurs du Japon, pp. 121–124; Brown, Delmer et al. (1979). Gukanshō, pp. 288–289; Varley, H. Paul, ed. (1980). Jinō Shōtōki, pp. 170–171.
- Brown, pp. 264; prior to Emperor Jomei, the personal names of the emperors (their imina) were very long and people did not generally use them. The number of characters in each name diminished after Jomei's reign.
- Titsingh, p. 121; Varley, p. 170.
- Varley, p. 170.
- Titsigh, p. 121.
- Brown, p. 288.
- Titsingh, p. 122.
- Titsingh, p. 122; Brown, p. 288; 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.
- Titsingh, pp. 123–124.
- Titsingh, p. 124.
- Varley, p.171.
- Titsingh, p. 127.
- Ponsonby-Fane, p. 420.
- Furugosho: Kugyō of Yozei-tennō. (French)
- Bialock, David T. (2007). 'Eccentric Spaces, Hidden Histories: Narrative, Ritual, and Royal , p. 138.
- Brown, Delmer M. and Ichirō Ishida, eds. (1979). Gukanshō: The Future and the Past. Berkeley: University of California Press. 10-ISBN 0-520-03460-0; 13-ISBN 978-0-520-03460-0; OCLC 251325323
- Ponsonby-Fane, Richard Arthur Brabazon. (1959). The Imperial House of Japan. Kyoto: Ponsonby Memorial Society. OCLC 194887
- 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
- Varley, H. Paul. (1980). Jinnō Shōtōki: A Chronicle of Gods and Sovereigns. New York: Columbia University Press. 10-ISBN 0-231-04940-4; 13-ISBN 978-0-231-04940-5; OCLC 59145842
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