Biography & Historical Record
Ren Lan (任览, Nham Lãm) was a noble officer of Cao Wei during the Three Kingdoms period. Hailing from Zhongmu in Henan Commandery, he was the second son of Ren Jun (任峻), the esteemed administrator whose establishment of agricultural garrison colonies (tuntian) formed the economic bedrock of Cao Cao‘s rise to power.
Because Cao Cao held immense gratitude and personal affection for Ren Jun, he ensured that both of his surviving sons received substantial honors and titles. While elder brother Ren Xian inherited the primary marquisate of Chengxiang, Ren Lan was specially elevated to the dignity of Marquis of Guannei (关内侯), with independent lands and court standing in the central administration of Cao Wei.
Role in Romance of the Three Kingdoms
Chapter 16 (Supplies of the Central Plains): The agricultural reforms introduced by Ren Jun sustained millions of soldiers, securing hereditary favors and marquisates for his lineage.
Ren Lan — Historical & Literary Timeline
c. 190 AD
Lineage of Zhongmu
Raised in Zhongmu, educated in civil governance and military supply management.
204 AD
Elevation to Guannei Marquis
Conferred the prestigious title of Marquis of Guannei by Cao Cao in recognition of his father’s merits.
c. 220–250 AD
Court Service in Wei
Served as an imperial officer maintaining central civil and agrarian stability in Henan.
Key Relationships
Family
- Ren Jun (任峻, Nham Tuấn) — Father; Creator of the Cao Wei tuntian system and Minister of Agriculture.
- Ren Xian (任先, Nham Tiên) — Eldest brother; Marquis of Chengxiang.
Friends / Allies
- Cao Cao (曹操, Tào Tháo) — Supreme warlord whose affection for Ren Jun elevated both sons into high nobility.
- Cao Pi (曹丕, Tào Phi) — Emperor Wen of Wei who preserved the hereditary rewards of founding benefactors.
Enemies / Rivals
- Rebel Factions & Infiltrators — Northern and southern forces seeking to disrupt central agricultural logistics.
Other
- Guannei Aristocracy — The inner nobility of Cao Wei holding high honorary ranks in the imperial capital.
In Novel
Chapter 16 (Rewards for the faithful)
- Ren Lan (任览, Nham Lãm): Bestowed with the patent of Guannei Marquis, Ren Lan served the central court in remembrance of his father's devotion.
In History
Summary
- Ren Lan (任览) was the second son of Ren Jun. Due to Cao Cao's deep appreciation for his father's contributions to the tuntian system, Ren Lan was awarded the title of Marquis of Guannei.
Year: 204 AD
- Awarded the marquisate of Guannei by decree of Chancellor Cao Cao.
Historical Record
- Records of the Three Kingdoms (Sanguozhi), Vol. 16 (Biography of Ren Jun): Concludes that Cao Cao cherished Ren Jun's memory, granting his second son Ren Lan the rank of Marquis of Guannei.
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