Biography & Historical Record
Pei Yi (裴仪, Bùi Nghi) was a nobleman and official of Cao Wei and the Western Jin dynasty. Belonging to the aristocratic Pei clan of Wenxi in Hedong Commandery, he was the eldest son and heir of Pei Xiu (裴秀), the celebrated Minister of Works, statesman, and pioneering cartographer of ancient China.
Reared in an intellectual aristocracy of the highest order, Pei Yi was educated in legal administration, state geography, and dynastic rituals. Following his father’s tragic death in 271 AD from Five Minerals Powder, Pei Yi inherited the family estates and noble rank, fulfilling duties at the imperial court of Emperor Wu of Jin (Sima Yan) alongside his younger brother Pei Wei (裴頠).
Role in Romance of the Three Kingdoms
Chapter 120 (Heirs of the Jin ministers): In the grand halls of Luoyang, the heirs of Pei Xiu safeguarded the imperial maps and ancestral memorials, ensuring that the legacy of Hedong’s noble houses endured into the new era.
Pei Yi — Historical & Literary Timeline
c. 250 AD
Nobility of Hedong
Born to Pei Xiu in Wenxi; instructed in administrative sciences, state rites, and geographical cartography.
271 AD
Succession to Marquisate
Inherits the noble household and honors of the Pei clan following the death of his father Pei Xiu.
c. 280–295 AD
Service in Western Jin
Serves the Luoyang court in civil capacities, maintaining the prestige of the Wenxi Pei clan amidst court politics.
Key Relationships
Family
- Pei Xiu (裴秀, Bùi Tú) — Father; Minister of Works of Western Jin and legendary Father of Chinese Cartography.
- Pei Qian (裴潜, Bùi Tiềm) — Grandfather; General and Minister of Cao Wei.
- Pei Wei (裴頠, Bùi Ngỗi) — Younger brother; acclaimed philosopher, author of Chongyou Lun, and Left Vice Director of the Secretariat.
- Pei Hui (裴徽, Bùi Huy) — Grand-uncle; Governor of Jizhou and renowned scholar.
Friends / Allies
- Sima Yan (司马炎, Tư Mã Viêm) — Emperor Wu of Jin; patron of the Pei family and founder of Western Jin.
- Aristocracy of Luoyang — Prominent scholarly families of Hedong and Yingchuan who dominated the Jin court.
Enemies / Rivals
- Power Factions of the Jin Court — Rival cliques whose internal feuds eventually erupted into the War of the Eight Princes.
Other
- Scholars of Cartography — Students and court geographers who consulted the maps and methods established by Pei Xiu.
In Novel
Chapter 120 (The court of Western Jin)
- Pei Yi (裴仪, Bùi Nghi): Representing the noble lineage of Hedong, Pei Yi upheld his father's rigorous standards of civil duty and courtly virtue in the unified capital of Luoyang.
Chapter 120 (Continuity of the Pei clan)
- Pei Yi (裴仪, Bùi Nghi): Together with his brother Pei Wei, Pei Yi ensured that the maps and governance treatises of Pei Xiu guided the ministers of the imperial secretariat.
In History
Summary
- Pei Yi (裴仪) was a noble official of Cao Wei and Western Jin, eldest son and successor of Minister Pei Xiu.
Year: c. 250–295 AD
- Inherited the noble estates of Pei Xiu and participated in court affairs during the Western Jin dynasty.
Historical Record
- Jin Shu, Vol. 35 (Biography of Pei Xiu): Records the lineage of Pei Xiu, noting his sons Pei Yi and Pei Wei, who were both recognized for their education and noble standing.

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