Prince Tsunesada

Japanese: 恒貞親王 - つねさだしんのう

Year of death: 8th September 20th (884.10.12)
Year of birth: Tencho 2 (825)
A member of the imperial family in the early Heian period. Son of Emperor Junna and Empress Masashi (daughter of Emperor Saga). Also known as Prince Teishi. In October 833, at the request of Emperor Saga, he became crown prince at the age of 9 when Emperor Ninmyo ascended to the throne. However, since Ninmyo had a son, Prince Michiyasu (nephew of Fujiwara no Yoshifusa, 7 years old, later Emperor Montoku), anxiety was expected from the beginning. According to the "Biography of Prince Tsunesada," as he grew older, he thought about his own situation after the deaths of Emperors Saga and Junna, and repeatedly declined the position of crown prince, saying that "the misfortune was difficult to predict," but was not allowed to do so. He was deposed as crown prince in the Jowa Incident (842) that occurred after the death of Emperor Saga, and was transferred to Junna-in. The incident is thought to have been a plot by Fujiwara no Yoshifusa, who wanted Michiyasu to become crown prince. In January 849, he was awarded the third rank, but he became a monk, took the name Kojaku, and later became the founder of Daikakuji Temple. In 884, after Emperor Yozei was dethroned, Fujiwara no Mototsune asked him to ascend to the throne, but he firmly refused.

(Takinami Sadako)

Source: Asahi Japanese Historical Biography: Asahi Shimbun Publications Inc. About Asahi Japanese Historical Biography

Japanese:

没年：元慶8.9.20(884.10.12)
生年：天長2(825)
平安前期の皇族。淳和天皇と皇后正子内親王(嵯峨天皇皇女)の子。亭子親王とも。天長10(833)年10月,嵯峨上皇の意向により仁明天皇の即位に伴って9歳で皇太子となったが,仁明には皇子道康(藤原良房の甥,7歳。のち文徳天皇)がいただけに,当初から不安が予想された。『恒貞親王伝』によれば成長するにつれ,嵯峨,淳和両上皇死去後のわが身を思い,「禍機測りがたし」として再三皇太子を辞退したが許されなかったという。嵯峨上皇没後に起こった承和の変(842)によって廃太子され,淳和院に移された。事件は道康立太子を意図する藤原良房の画策とみられる。嘉祥2(849)年1月三品を授けられたが,出家して恒寂と号し,のち大覚寺の開祖となった。元慶8(884)年,陽成天皇廃位のあと藤原基経から即位を要請されたが,固辞した。

(瀧浪貞子)

出典　朝日日本歴史人物事典：（株）朝日新聞出版朝日日本歴史人物事典について　情報

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