Sima Lun

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Sima Lun
Reign February 3, 301[1][2] – May 30, 301[1][3]
Full name
Family name: Sīmǎ (司馬)
Given name: Lún (倫)
Titles

Marquess of Anle Pavilion 安樂亭侯
Viscount Dong'an 東安子
Prince of Langye Commandery 琅邪郡王
Prince of Zhao 趙王
Era dates
Jiànshǐ (建始) (February 3, 301 – June 1, 301[1][4])
House Jin
Father Sima Yi
Mother Lady Bai
Born before 249
Died June 5, 301 (aged 53)[1][5]

Sima Lun (sim. ch. 司马伦, trad. ch. 司馬倫, py. sī mǎ lún, wg. Ssu-ma Lun) (before 249 exclusive – poisoned June 5, 301), courtesy name Ziyi (子彛), was titled the Prince of Zhao (pinyin: zhào wáng, simplified Chinese: 赵王, traditional Chinese: 趙王) and the usurper of the Jin Dynasty from February 3 to May 30, 301. He is usually not counted in the list of Jin emperors due to his brief reign, and was often mentioned by historians as an example of a wicked usurper. He was the third of the eight princes commonly associated with the War of the Eight Princes.

Early career[edit]

This article is part of
the War of the Eight Princes
series.
Eight Princes
Sima Liang
Sima Wei
Sima Lun
Sima Jiong
Sima Ai
Sima Ying
Sima Yong
Sima Yue
Other key figures
Emperor Hui
Emperor Huai
Empress Yang Zhi
Empress Jia Nanfeng
Empress Yang Xianrong
Sima Yu
Yang Jun
Wei Guan
Zhang Hua

As Sima Yi's youngest son, Sima Lun had a number of minor titles during the Cao Wei regencies of his brothers Sima Shi and Sima Zhao. After his nephew Sima Yan established Jin Dynasty as Emperor Wu in 265, Sima Lun was named the Prince of Langye. He served as a general and governor at times during his nephew's reign, but was undistinguished; several times he was accused of crimes, but each time Emperor Wu pardoned him of them. In 277, his principality was moved to Zhao.

During the early reign of Emperor Hui, Sima Lun was in charge of the military command of Qin (秦州, modern eastern Gansu) and Yong (雍州, modern central and northern Shaanxi) Provinces, but his misgovernance contributed to conditions where the Di and the Qiang rebelled under the Di chief Qi Wannian (齊萬年). His chief strategist Sun Xiu (孫秀) was arrested and initially set to be executed, but was spared. Sima Lun and Sun were recalled to the capital Luoyang, where he flattered Empress Hui's Empress Jia Nanfeng and became trusted by her. Lun then requested a high level office, but was rebuffed by Empress Jia's advisors Zhang Hua and Pei Wei (裴頠).

As regent[edit]

After Empress Jia, in jealousy, deposed the crown prince Sima Yu (born not of her but of her husband's concubine Consort Xie Jiu) in 299, there was a conspiracy to overthrow her and restore the crown prince. Sima Lun was persuaded to join the conspiracy, but Lun had another plan for him: instead encourage Empress Jia to assassinate the crown prince in exile, and then use the assassination as the excuse to overthrow her. Sima Lun accepted the plan and persuaded her to assassinate the crown prince, which she did in 300. He then declared a coup against her and arrested her, slaughtering her clan and her associates (including Zhang and Pei). He then forced her to commit suicide.

Sima Lun then became regent for the developmentally disabled Emperor Hui, but was described to be not particularly more intelligent than Emperor Hui. Even though he carried the regent title, true power was in Sun Xiu's hands. Under Sun Xiu's persuasion, he deposed Emperor Hui and declared himself emperor in 301, offering Emperor Hui the honorific title of retired emperor but putting him under house arrest. Emperor Hui's grandson, the crown prince Sima Zang (司馬臧), was executed.

As emperor[edit]

The act of usurpation brought widespread anger. In order to appease those who might be angry at his usurpation, Sima Lun rewarded many people with honors. Sun, in particular, was issuing edicts based on his own whims. Suspecting three autonomous key princes – Sima Jiong the Prince of Qi (Emperor Hui's cousin and the son of Emperor Hui's uncle, Prince You of Qi), Sima Ying the Prince of Chengdu (Emperor Hui's brother), and Sima Yong the Prince of Hejian (the grandson of Emperor Hui's great-granduncle Sima Fu the Prince of Anping), each of whom had strong independent military commands—Sun sent his trusted subordinates to be their assistants. Prince Jiong refused and declared a rebellion to restore Emperor Hui. Prince Ying, Sima Ai the Prince of Changshan (Emperor Hui's brother), and Sima Xin (司馬歆) the Duke of Xinye (the son of a granduncle of Emperor Hui) all declared support for Prince Jiong. Prince Yong initially sent his general Zhang Fang (張方) with intent to support Sima Lun, but then heard that Princes Jiong and Ying had great forces, and so declared for the rebels instead. Sima Lun's forces were easily defeated by Princes Jiong and Ying's forces, and after just declaring himself emperor for three months, Sima Lun was captured by officials in Luoyang who declared for the rebellion as well, and forced to issue an edict returning the throne to Emperor Hui. He was then forced to commit suicide. Sun and other associates of Sima Lun were executed, as were all of Sima Lun's sons.

Family[edit]

References[edit]

Prince of Zhao
Born: c. 240 Died: 13 April 301
Titles in pretence
Preceded by
Emperor Hui of Jin
— TITULAR —
Emperor of China
Abdication claimant
3 February 301 – 30 May 301
Reason for succession failure:
War of the Eight Princes
Succeeded by
Emperor Hui of Jin