Here is the exhaustive biography, ancestral background, historical records, and Romance of the Three Kingdoms narrative for Yang Ang (楊昂) (d. 215 AD), a valiant military general who served under the Hanzhong warlord Zhang Lu during the late Eastern Han Dynasty.
Contents
Service Under Zhang Lu & Defense of Hanzhong
Yang Ang served as a prominent general under Zhang Lu of the Five Bushel Sect in Hanzhong. In 213 AD, he participated in the military detachment lent to Ma Chao to help him recapture his former territories in Liang Province, assisting in the capture of Jicheng before returning to Hanzhong. When Cao Cao launched his major campaign to conquer Hanzhong in 215 AD, Yang Ang was tasked alongside Zhang Wei to construct robust earthen defenses and blockades at Yangping Pass to repel the invaders.
The Battle of Yangping Pass & Death
Initially, Yang Ang’s defenses successfully held off Cao Cao’s vanguard forces. However, during a subsequent night assault launched by Cao Cao amidst dense fog, Yang Ang’s camps were infiltrated and overwhelmed. In the ensuing fierce engagement at Yangping Pass, Yang Ang was cut down and slain in battle by Cao Cao’s officers.
Yang Ang (楊昂) — Historical & Literary Timeline
Expedition to Liang Province
Accompanies Ma Chao’s military expedition from Hanzhong into Liang Province, aiding in the assault and capture of Jicheng.
Defense of Yangping Pass & Skirmishes
Stations at Yangping Pass in Chapter 67 alongside Zhang Wei and Yang Ren, scoring an initial successful counterattack against Xiahou Yuan and Zhang He’s exhausted vanguard forces.
Night Assault & Death in Battle
Falls victim to Cao Cao’s feigned retreat and a foggy night assault in Chapter 67, getting caught between enemy forces and slain in combat.
Romance of the Three Kingdoms Narrative
In Luo Guanzhong’s historical novel Romance of the Three Kingdoms, Yang Ang is portrayed in Chapter 67 as a brave but impetuous defender of Hanzhong. His decision to venture out against Cao Cao’s feigned retreat, compounded by foggy conditions, leads directly to the loss of his camp and his tragic defeat.
Key Relationships
Family
- No information
Friends
- Zhang Lu (张鲁, Trương Lỗ): The theocratic ruler of Hanzhong whom Yang Ang served as a military general.
- Zhang Wei (张卫, Trương Vệ): The younger brother of Zhang Lu and a fellow commander who served alongside Yang Ang in the defense of Yangping Pass in 215 AD.
- Yang Ren (杨任, Dương Nhậm): A fellow general under Zhang Lu who served with Yang Ang at Yangping Pass and cautioned against pursuing Cao Cao’s forces.
- Ma Chao (马超, Mã Siêu): A warlord who sought refuge with Zhang Lu; Yang Ang accompanied him on his 213 AD expedition to recapture Liang Province and seize Jicheng.
Enemies
- Cao Cao (曹操, Tào Tháo): The Chancellor of Han who led the 215 AD campaign to conquer Hanzhong, ultimately orchestrating the night assault that led to Yang Ang’s death.
- Xiahou Yuan (夏侯渊, Hạ Hầu Uyên): A Wei general whose vanguard forces were engaged and initially repelled by Yang Ang at Yangping Pass in 215 AD.
- Zhang He (张郃, Trương Cáp): A Wei general who participated in the Hanzhong campaign and was involved in the tactical maneuvers that led to the defeat of Yang Ang’s forces.
- Wei Kang (韦康, Vi Khang): The Governor of Jicheng who was defeated and executed during the 213 AD military expedition led by Ma Chao and supported by Yang Ang.
Other
- No information
In History
Summary
Year: 215 AD
- Yang Ang (杨昂, Dương Ngang) was ordered by Zhang Lu, together with Zhang Wei (张卫, Trương Vệ), to defend Yangping Pass against Cao Cao’s invading army. The defense initially resisted Cao Cao’s attacks, but the pass eventually fell.
Historical Record
- Yang Ang (杨昂, Dương Ngang) was a real historical commander. The historical record becomes silent about him after the fall of Yangping Pass.






