Gao Guang

Cao Quang, Cao Tuyên Mậu

NAME
Chinese Name高光, Gāo Guāng
NicknameMarquis of Yanling / Grand Tutor (延陵侯 / 尚书令 / 高柔幼子)
Other nameCao Quang, Cao Tuyên Mậu
Courtesy nameXuanmao (宣茂, Tuyên Mậu)
INFORMATION
Birth PlaceYu County, Chenliu (陈留圉县; Qi County, Henan)
Death ReasonIllness
FAMILY
Father
Relatives
CAREER
AllegianceCao Wei, Jin Dynasty
BattlesWar of the Eight Princes (neutral judicial mediator)

Biography & Historical Record

Gao Guang (高光, Cao Quang; c. 230s–308 AD), courtesy name Xuanmao (宣茂, Tuyên Mậu), was a prominent statesman and jurist of the late Three Kingdoms and Western Jin dynasty. He was the youngest son of the famed legal architect Gao Rou (高柔).

Inheriting his father’s profound mastery of jurisprudence, Gao Guang held a series of prestigious judicial and administrative positions in the Jin dynasty, serving as Minister of Justice (廷尉, Tingwei) and ultimately ascending to Prefect of the Masters of Writing (尚书令, Shangshu Ling). He was ennobled as the Marquis of Yanling (延陵侯). During the violent turmoil of the War of the Eight Princes, Gao Guang remained steadfastly upright and incorruptible, refusing to become an instrument of political vengeance. Upon his death in 308 AD, he was posthumously honored as Grand Tutor (太傅) with the posthumous name Jian (简).

Role in Romance of the Three Kingdoms

Legacy of Law and Integrity: Gao Guang preserved his family’s reputation for justice and administrative skill through the stormiest decades of the Jin dynasty.

Gao Guang (高光) — Historical Timeline

c. 230s AD

Son of Legal Master

Born in Chenliu as youngest son of Gao Rou, mastering state law.

c. 290s AD

Minister of Justice (Tingwei)

Appointed Tingwei, praised for fair and strict judicial rulings.

308 AD

Shangshu Ling & Posthumous Honor

Dies in office as Shangshu Ling; posthumously honored as Grand Tutor.

Key Relationships

Family

Friends

Enemies

  • Sima Jiong (司马冏, Tư Mã Quýnh): Prince of Qi and power-hungry regent during the War of the Eight Princes whom Gao Guang courageously cautioned against tyranny.
  • Sima Lun (司马伦, Tư Mã Luân): Prince of Zhao whose bloody usurpation of the Jin throne Gao Guang refused to endorse.

Other

  • Emperor Huai of Jin (晋怀帝, Tấn Hoài Đế): Sovereign who honored Gao Guang with the supreme office of Grand Tutor (Taifu) and posthumous title Jian.

In Novel

Chapter 119 (The Succession of Wei to Jin & The Imperial Secretariat)

  • Gao Guang (高光, Cao Quang): Grandson of Cao Wei Minister of Justice Gao Rou (高柔, Cao Nhu); upheld the renowned legal brilliance and judicial fairness of the Chenliu Gao family in the highest bureaus of the Western Jin court.

Chapter 120 (Reunification of China & Stability of the Laws)

  • Gao Guang (高光, Cao Quang): Commended as a fearless and principled Master of Writing, whose steadfast refusal to bend statutes for powerful regents preserved judicial integrity amidst imperial upheaval.

In History

Summary

  • Gao Guang (高光, Cao Quang) (c. 240–after 305 AD), courtesy name Xuanmao (宣茂, Tuyên Mậu), was an eminent jurist, statesman, and Vice-Director of the Imperial Secretariat (尚书左仆射) of the Western Jin dynasty from Yu County, Chenliu; grandson of Grand Commandant Gao Rou.

Year: 275 AD

  • Appointed Cavalier Attendant Regular and Vice-Director of the Secretariat under Emperor Wu of Jin; renowned for his profound expertise in Han and Wei statutory codes and uncorruptible judicial administration.

Year: 300–304 AD

  • During the catastrophic turmoil of the War of the Eight Princes, Gao Guang repeatedly stood in open court to defend statutory law and protect innocent officials from summary execution by rival warlord princes.

Historical Record

  • Book of Jin (晋书), Volume 41 (Biography of Gao Guang): Details his illustrious legal career, his courageous defense of the law during dynastic crises, and his honorable retirement.
  • Sanguozhi (三国志), Volume 24: Annotations by Pei Songzhi documenting Gao Rou's scholarly descendants.

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