
Meng Yi (蒙毅, Mông Nghị; d. 210 BC), was a high minister and Chief Chamberlain of the Qin Dynasty, younger brother of Great Wall conqueror Meng Tian (Meng Tian) and grandson of Grand General Meng Ao (Meng Ao).
Beloved and trusted by Qin Shi Huang for incorruptible legalism and profound wisdom, Meng Yi was granted the rare privilege of riding in the imperial chariot alongside the First Emperor (‘Meng Tian guarded the frontier outside, while Meng Yi directed statecraft within’ 蒙恬任外事而蒙毅常为内谋). In an act of fearless judicial integrity, when eunuch Zhao Gao committed a capital crime, Meng Yi sentenced Zhao Gao to death according to the law; however, Qin Shi Huang pardoned Zhao Gao, earning Meng Yi Zhao Gao’s venomous, lifelong hatred.
In 210 BC, while Meng Yi was dispatched on an imperial mission to pray at mountain shrines for the sick Emperor, Qin Shi Huang died at Shaqiu. Zhao Gao seized power with Huhai (Huhai), immediately arrested Meng Yi, and threw him into prison in Dai. Despite fearlessly arguing his innocence and loyalty to the First Emperor, Meng Yi was executed in prison by Zhao Gao’s assassins shortly after his brother Meng Tian took poison, extinguishing the noble house of Meng.
Role in History (Shiji)
Records of the Grand Historian (Shiji, vol. 88, Biography of Meng Tian): “Meng Yi said to his executioner: ‘My ancestors served Qin across three generations without stain; if I die wrongfully today, Heaven will judge the murderers of the Meng clan!’ He drank the poison and died.”
Meng Yi — Historical & Literary Timeline
Qin Dynasty
Ministerial Lineage
Grandson of Meng Ao and son of Meng Wu.
c. 215 BC
Chief Chamberlain to Qin Shi Huang
Rides in the imperial chariot; manages inner court statutes.
c. 212 BC
Sentencing Zhao Gao
Sentences Zhao Gao to death for high crimes; Zhao Gao is pardoned and swears vengeance.
210 BC
Arrest & Martyrdom
Arrested following the Shaqiu usurpation; executed in Dai by Zhao Gao’s emissaries.
Key Relationships
Family
- Brother Meng Tian (Meng Tian, Mông Điềm): Supreme general who built the Great Wall.
- Father Meng Wu (蒙武): Conqueror of Chu.
- Grandfather Meng Ao (蒙骜): Founding general.
Friends
- Righteous Prince Fusu (Phù Tô): Crown prince murdered alongside his brother.
- First Emperor Qin Shi Huang (秦始皇): Monarch who held Meng Yi in highest personal esteem.
Enemies
- Vengeful Eunuch Zhao Gao (赵高, Triệu Cao): Murdered Meng Yi to avenge his earlier death sentence.
- Usurper Emperor Huhai (Qin Er Shi): Signed his death warrant.
Other
- Grand Historian Sima Qian: Praised the Meng brothers’ loyalty while lamenting their failure to restrain Qin’s excesses.
In Shiji
The Last Words of Meng Yi
"From Meng Ao to Meng Yi, three generations of blood built this empire. If upright law is condemned to die, the foundations of Xianyang will crumble to dust."
Historical Significance
Meng Yi's judicial confrontation with Zhao Gao illustrates the tragic vulnerability of honest Legalist officials when supreme power fell into the hands of corrupt eunuchs.

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