CHRONICLES OF CHINESE HISTORY华 夏 历 史 志

约前?–约前?

Western Han StatesmanMarquis of Pingyang

Cao Zhu

曹窋

Cao Zhu (died 161 BCE), also historically recorded as Cao Ke, was a prominent statesman and aristocrat of the early Western Han Dynasty, and the second Marquis of Pingyang as the son of founding Chancellor Cao Can. During Emperor Hui's reign, he served as Palace Grandee. When Emperor Hui grew concerned over Cao Can's hands-off governance and daily feasting, he tasked Cao Zhu with questioning his father. Cao Can administered a…

约前?–约前?Western Han

PROFILE

Cao Zhu (died 161 BCE), also historically recorded as Cao Ke, was a prominent statesman and aristocrat of the early Western Han Dynasty, and the second Marquis of Pingyang as the son of founding Chancellor Cao Can. During Emperor Hui's reign, he served as Palace Grandee. When Emperor Hui grew concerned over Cao Can's hands-off governance and daily feasting, he tasked Cao Zhu with questioning his father. Cao Can administered a stern thrashing of two hundred lashes, later explaining to Emperor Hui the philosophical wisdom of non-action (Huang-Lao governance) following Xiao He's established codes. In 189 BCE, upon his father's death, Cao Zhu inherited the marquisate of Pingyang. In 186 BCE, he was appointed Imperial Counselor (Yushi Dafu), one of the supreme three excellencies. Following Empress Dowager Lü's death in 180 BCE, Cao Zhu actively conspired with Grand Commandant Zhou Bo and Chancellor Chen Ping to eliminate the Lü clan and enthrone Emperor Wen. He served twenty-nine years as Marquis of Pingyang and was canonized as Marquis Jian.

Attribute
Information
Alternative Names
Cao Ke
Identity
Western Han Statesman, Marquis of Pingyang
Era
Early Western Han Dynasty
Dynasty
Western Han Dynasty
Highest Office
Imperial Counselor, Marquis of Pingyang
Major Office
Palace Attendant, Imperial Counselor
Peerage
Marquis of Pingyang
Posthumous Title
Marquis Jian
Date of Birth
Unknown
Date of Death
161 BCE（the 3rd year of Late Reign of Emperor Wen）
Native Place
Pei County, Peijun
Place of Birth
Pei County, Peijun

LIFE TIMELINE

Palace Service ｜ Served as Palace Grandee; instructed by Emperor Hui to question Cao Can's policy of inaction.
Inheriting Marquisate ｜ Succeeded his father Cao Can as the second Marquis of Pingyang.
Imperial Counselor ｜ Elevated to Imperial Counselor, participating in supreme court decisions.
Purging the Lü Clan ｜ Joined Zhou Bo and Chen Ping in eliminating the Lü faction and welcoming Emperor Wen.
Aristocratic Retirement ｜ Resigned Imperial Counselorship to attend court as ranking marquis.
Passing ｜ Passed away after twenty-nine years as marquis; posthumously canonized Marquis Jian.

BIOGRAPHY

Biography

Family Background and "Xiao's Code, Cao's Follow-Through"

Cao Zhu hailed from Pei County into the preeminent founding aristocracy of the Western Han. His father Cao Can had served alongside Emperor Gaozu (Liu Bang) from the initial uprising, becoming King of Qi's chancellor and later Chancellor of the State. In youth, Cao Zhu entered palace service as Palace Grandee under Emperor Hui. Observing that Chancellor Cao Can spent his days drinking wine and refusing to introduce new legislation, Emperor Hui asked Cao Zhu to counsel his father. When Cao Zhu delicately raised the issue during a family holiday, Cao Can flew into a rage, beat him with two hundred lashes, and scolded him for interfering in state affairs beyond his understanding. Later, Cao Can presented the philosophy of non-action (Wu Wei) to Emperor Hui, cementing the historic doctrine of "Xiao's rules followed by Cao."

Inheriting the Marquisate and Supreme Counselorship

In 189 BCE, Cao Can died, and Cao Zhu inherited the noble domain of Pingyang, which encompassed over ten thousand households. During Empress Dowager Lü's regency, Cao Zhu was appointed Imperial Counselor in 186 BCE, acting as supreme supervisory officer over the civil bureaucracy. He maintained equilibrium between the imperial Liu clan, founding generals, and consort kin.

The Coup Against the Lü Clan and Emperor Wen's Enthronement

In autumn 180 BCE, Empress Dowager Lü passed away. Senior commanders Zhou Bo and Chen Ping secretly coordinated with royal princes to purge the ambitious Lü clan. Cao Zhu aligned decisively with the loyalist faction, using his prestige as Cao Can's heir to coordinate military commanders and secure the capital gates. After destroying the Lü clan, the leaders welcomed Liu Heng (Prince of Dai, later Emperor Wen) to Chang'an. Following Emperor Wen's stabilization of the court, Cao Zhu retired from administrative office to hold court honors as a premier hereditary marquis until his death in 161 BCE.

Major Activities

Catalyst of Huang-Lao Dynastic Policy

Through his private confrontation with his father, Cao Zhu inadvertently precipitated the formal court adoption of the Huang-Lao philosophy of governance, which allowed Chinese agriculture and commerce to recover rapidly after the Qin-Han wars.

Restoration of the Liu Dynasty

Cao Zhu's collaboration with Zhou Bo and Chen Ping during the 180 BCE crisis was crucial in ending the Lü regency without broad civil warfare.

Personal Relations

  • Father: Cao Can, founding Chancellor and first Marquis of Pingyang
  • Son: Cao Qi, third Marquis of Pingyang
  • Grandson: Cao Shi, fourth Marquis of Pingyang, married Princess Pingyang
  • Sovereign: Emperor Hui of Han (Liu Ying)
  • Sovereign: Emperor Wen of Han (Liu Heng)
  • Political Ally: Zhou Bo, Grand Commandant and Marquis of Jiang
  • Political Ally: Chen Ping, Chancellor of the Right and Marquis of Quni

Historical Assessment

  • Sima Qian: Noted that while Cao Zhu lacked his father's supreme brilliance, he preserved ancestral laws, aided the restoration of the Liu house, and died in honor.
  • Ban Gu: Recorded that Cao Zhu safely steered his house through three reigns, exemplifying the enduring stability of founding meritorious lineages.
  • Modern Historiography: Evaluates Cao Zhu as a vital eyewitness and participant in the transition from early Han military consolidation to civilian stability under Emperor Wen.

LOCAL NETWORK

FIGURES ASSOCIATED WITH THIS DYNASTY

256 BCE–195 BCE

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156 BCE–87 BCE

Liu Che

Emperor Wu of Han, Liu Che (156 BCE–March 29, 87 BCE), was the seventh emperor of the Western Han, the son of Emperor Jing of Han, Liu Qi, and Empress Wang. His temple name was Shizong, his posthumous name Emperor Xiaowu, and he was buried at Maoling. He reigned for fifty-four years, making him one of the longest-reigning emperors in Chinese history. His rule was characterized by stronger central authority, long wars

45 BCE–23 CE

Wang Mang

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203 BCE–157 BCE

Liu Heng

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Bibliography

  • Records of the Grand Historian, Volume 54, Hereditary House of Chancellor Cao
  • Book of Han, Volume 39, Biographies of Xiao He and Cao Can
  • Book of Han, Volume 19, Table of Officials