Xu Ding

Biography & Historical Record

Xu Ding was a military commander and senior palace guard officer serving the Cao Wei state during the late Eastern Han dynasty and Three Kingdoms period. Hailing from Qiao County in Pei Kingdom (modern-day Bozhou, Anhui Province), Xu Ding was the elder brother of Xu Chu, Cao Cao’s legendary “Tiger Fool” bodyguard and supreme military protector. Documented in Chen Shou’s official dynastic history Records of the Three Kingdoms (Sanguozhi – Book of Wei, Biography of Xu Chu) and Sima Guang’s Zizhi Tongjian, Xu Ding played a foundational role alongside his younger brother in establishing their family clan’s armed stronghold during the tumultuous end of the Han dynasty before submitting to Cao Cao’s rising power.

During the late 190s AD, as China dissolved into chaos amidst Yellow Turban rebellions and rampant banditry across the Huai River basin, Xu Ding and Xu Chu gathered thousands of family members, clan relatives, and local youth. Together, they constructed a heavily fortified mountain stronghold (wubao) in Qiao County to defend their community against roving bandit armies and rogue warlords. Xu Ding assisted in organizing the clan’s logistical defenses and martial training, repelling numerous large-scale bandit assaults. When Cao Cao led his grand campaigns to pacify the Huai and Ru regions, Xu Ding and Xu Chu led their thousands of armed clan followers and local militia to formally pledge allegiance to Cao Cao. Recognizing the family’s unshakeable loyalty and martial prowess, Cao Cao incorporated their forces directly into his central military apparatus.

While Xu Chu served as Cao Cao’s primary personal bodyguard, Xu Ding carved out an impressive military career of his own within the imperial armed forces. Renowned for his strict discipline, administrative reliability, and defensive capability, Xu Ding steadily rose through the officer ranks, eventually being appointed as General Who Inspires Awe (Zhenwei Jiangjun). In this prestigious capacity, Xu Ding was entrusted with the supreme responsibility of commanding the elite Huben (Tiger Rapid) Imperial Guard detachment, safeguarding the central imperial palace, the capital defenses, and the royal family of Cao Wei. Through decades of dedicated service across the reigns of Cao Cao, Cao Pi, and Cao Rui, Xu Ding maintained absolute stability within the imperial guards, passing away peacefully of old age in office and leaving behind an enduring legacy as an indispensable pillar of the Xu clan’s heroic tradition.

Role in Romance of the Three Kingdoms

In Luo Guanzhong’s historical novel Romance of the Three Kingdoms, while Xu Ding’s younger brother Xu Chu receives massive literary focus as Cao Cao’s supreme champion, Xu Ding’s historical contributions in founding the clan’s Qiao County fortress and commanding Cao Wei’s Huben Imperial Guards provide the vital familial foundation that elevated the Xu clan to imperial prominence.

Xu Ding (許定) — Historical & Literary Timeline

For detailed historical records, archives, and official chronicles, explore Xu Ding on Wikipedia.

Key Relationships

Family

• Xu Zhu (许褚, Hứa Chử): Younger brother. Together, they organized thousands of clan members and local youth into a fortified stronghold in Qiao County to repel regional bandits, before jointly leading their followers to pledge allegiance to Cao Cao.
• Xu Yi (许仪, Hứa Nghi): Nephew (Xu Chu’s son), who inherited the family’s noble marquisate and served as a military officer under the Cao Wei state.

Friends

• No information

Enemies

• No information

Other

• Cao Cao (曹操, Tào Tháo): Warlord and founder of Wei, who accepted Xu Ding and his clan forces during the pacification of the Huai and Ru regions, integrating them into his central army.
• Cao Pi (曹丕, Tào Phi): First Emperor of Cao Wei, under whose reign Xu Ding was appointed General Who Inspires Awe and entrusted with supreme command of the elite Huben Imperial Guards protecting the imperial palace.
• Cao Rui (曹叡, Tào Duệ): Second Emperor of Cao Wei, whom Xu Ding continued to serve faithfully as a senior guard commander until passing away peacefully in office.