| NAME | |
|---|---|
| Chinese Name | 耿恭, 耿恭, Gěng Gōng |
| Nickname | Wuji Colonel; "Geng Gong bowing at the well" (耿恭拜井); fidelity surpassing Su Wu |
| Other name | Canh Cung |
| Courtesy name | 伯宗, 伯宗, Bó Zōng, Bo Zong, tự Bá Tông |
| INFORMATION | |
| Birth Place | Maoling, Fufeng Commandery (present-day Xingping, Shaanxi) |
| Death Reason | Died at home after dismissal from office (late 70s AD) |
| CAREER | |
| Allegiance | Eastern Han |
| Battles |
|
Biography & Historical Record
Geng Gong (耿恭, Canh Cung), courtesy name Bozong (伯宗, tự Bá Tông), was an Eastern Han frontier commander whose defense of Shule City (疏勒城) in 75–76 AD became one of China’s classic siege legends. As Wuji Colonel (戊己校尉) in the Western Regions, he held out against Xiongnu siege after water was cut off — digging fifteen zhang without finding water, drinking horse-dung juice, then praying at the well until a spring burst forth. Court eulogists said his fidelity “surpassed Su Wu”; only thirteen of his men survived to recross the Jade Gate.
Geng Gong does not walk the Three Kingdoms stage as a living character. Luo Guanzhong invokes him in Chapter 89 when Zhuge Liang, campaigning against the Nanman, faces poison streams and drought — the verse compares Geng Gong’s prayer-well miracle to Zhuge’s own night vigil that brings sweet water to Shu ranks. He is an anachronistic moral exemplar, like Deng Yu in Chapter 43.
Role in Romance of the Three Kingdoms
Chapter 89 (Zhuge Liang Again Defeats the Nanman King; The Man King Four Times Falls into Captivity): Deep in barbarian territory Zhuge Liang’s army digs more than twenty sites without water; soldiers panic. At night Zhuge burns incense and prays that if Heaven has not abandoned Han, sweet springs will appear — by dawn every pit fills. The chapter’s verse praises him: “Geng Gong bowed at the well and sweet springs came; Zhuge in sincerity made water rise by night.” (耿恭拜井甘泉出，诸葛虔诚水夜生.) The Nanman king Meng Huo and Duosi King watch Shu troops drink freely and call them divine soldiers.
Geng Gong (耿恭) — Historical & Literary Timeline
74 AD
Western Regions command
Appointed Wuji Colonel after Han recovery of Cheshi (车师); stationed at Jincheng then moves to Shule City by the mountain stream.
75–76 AD
Shule siege and prayer-well
Xiongnu cut the stream; Geng Gong digs, prays, and water gushes — “Geng Gong bowing at the well” enters Chinese idiom and xiangqi lore.
76 AD
Rescue and Jade Gate
Fan Qiang leads relief; twenty-six leave Shule, thirteen reach Yumen Pass alive — memorialists compare Geng Gong to Su Wu.
Chapter 89
Cited in Nanman campaign
Named in verse when Zhuge Liang’s prayer brings water in the southern campaign — rhetorical parallel, not a living appearance.
For detailed historical records, archives, and official chronicles, explore Geng Gong on Wikipedia.
Key Relationships
Family
- Father Geng Guang (耿广, Canh Quảng): Zhonglang general; son of General Geng Yan’s brother.
- Granduncle Geng Yan (耿弇, Canh Miễn): Yuntai founding general under Emperor Guangwu.
- Son Geng Pu (耿溥, Canh Phổ): Recorded in genealogies.
Friends
- Fan Qiang (范羌, Phạm Cương): Officer who insisted on relief and escorted survivors back to Yumen — not the ROTK Zhang Fei assassin (different person, same graphs).
- Liu Zhang (刘张, Lưu Trương) and Dou Gu (窦固, Đậu Cố): Commanders of the Cheshi expedition that preceded Geng Gong’s posting.
Enemies
- Northern Xiongnu: Besiegers who dammed the stream and drove the prayer-well crisis.
Other
- Zhuge Liang (诸葛亮, Gia Cát Lượng): Compares his own water miracle to Geng Gong in Chapter 89’s verse.
- Su Wu (苏武, Tô Vũ): Han loyalty benchmark — memorialists said Geng Gong’s fidelity exceeded his.
- Wang Tao (王韬, Vương Thao): In Chapter 110 (separate arc) cites Geng Gong’s well when advising Sima Zhao — another ROTK echo.
In Novel
Chapter 89
- Geng Gong (耿恭, Canh Cung): Invoked in verse after Zhuge Liang's night prayer brings water during the Nanman campaign — "为国平蛮统大兵，心存正道合神明。耿恭拜井甘泉出，诸葛虔诚水夜生。" (Geng Gong bowed at the well and sweet springs came; Zhuge in sincerity made water rise by night.) Name-drop only; does not appear in person.
Chapter 110 (related citation)
- Geng Gong (耿恭, Canh Cung): Wang Tao advises Sima Zhao to imitate Geng Gong's prayer-well when besieged without water — second rhetorical use in the novel.
In History
Summary
- Geng Gong (耿恭, Canh Cung), styled Bozong, Wuji Colonel who defended Shule City against Xiongnu siege (75–76 AD), famous for the prayer-well miracle; honored as surpassing Su Wu in loyalty.
Year: 74 AD
- Made Wuji Colonel after Cheshi campaign under Dou Gu and Liu Zhang.
Year: 75–76 AD
- Withdraws to Shule City; besieged; stream cut; digs fifteen zhang; prays; water flows; relieved by Fan Qiang; thirteen survivors reach Jade Gate.
Year: 77–78 AD
- Served against Qiang revolts; later dismissed after conflict with Ma Fang — died at home.
Historical Record
- Hou Hanshu, biography of Geng Gong (耿恭传), vol. 47.
- Zizhi Tongjian, Yongping 17 – Jianchu 1 entries.
- Novel: Chapter 89 verse citation; Chapter 110 Wang Tao reference.
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