Genghis Khan’s four sons split his empire between them. Two centuries later, a warlord named Timur would still claim descent from him just to seize power.
This article covers how the Mongol Empire was governed, traded, and eventually fragmented after Genghis Khan’s death.

🏛️ Must Know
Erasing Old Tribal Loyalties
- Decimal Units Genghis Khan organised his army into units of 10, 100, 1,000, and 10,000 soldiers, called a tuman.(NCERT 11)
- Breaking Up Clans He deliberately scattered old tribal groups across these new units, replacing clan loyalty with loyalty to himself.(NCERT 11)
- New Nobility Genghis Khan honoured loyal followers as blood-brothers, anda, or bondsmen, naukar. Status now came from closeness to the Khan, not old clan rank.(NCERT 11)
Four Sons and the Ulus System
- Dividing the Empire Genghis Khan assigned each of his four sons a share, called an ulus, of the growing empire to govern.(NCERT 11)
- Jochi and Chaghatai Eldest son Jochi received the Russian steppes. Second son Chaghatai received Transoxiana and land near the Pamir mountains.(NCERT 11)
- Ogodei and Toluy Third son Ogodei was named successor as Great Khan, ruling from Karakorum. Youngest son Toluy kept the Mongolian homeland.(NCERT 11)
- Collective Decisions Major decisions, campaigns, succession, and plunder-sharing, were made together at assemblies of chieftains called quriltais.(NCERT 11)
📘 Good to Know
The Yam: A Continent-Spanning Courier System
- Fast Relay Riders Genghis Khan built a courier system, the yam, with fresh horses and riders stationed at regular outposts.(NCERT 11)
- Paid in Livestock Mongol nomads funded this system through the qubcur tax, a tenth of their herd, paid willingly for its benefits.(NCERT 11)
- Keeping Control This fast, reliable network let the Great Khans monitor events across their vast, continent-spanning territory.(NCERT 11)
Pax Mongolica and the Silk Route
- A Unified Trade Zone Once Mongol conquest settled, Europe and China became territorially linked for the first time, under a peace called Pax Mongolica.(NCERT 11)
- Trade Reaches Its Peak Silk Route commerce reached new heights under Mongol rule, now stretching north into Mongolia and Karakorum itself.(NCERT 11)
- Safe Conduct Traders carried a pass, called paiza in Persian and gerege in Mongolian, and paid a baj tax for safe travel.(NCERT 11)
🌟 Great to Know
From Raiders to Rulers
- Early Harshness In the 1230s, some Mongol leaders wanted to massacre Chinese peasants and turn farmland into pasture for their herds.(NCERT 11)
- A Change of Heart By the 1270s, Qubilai Khan protected peasants and cities instead. Ghazan Khan of Iran later warned against pillaging farmers too.(NCERT 11)
- Borrowed Administrators Mongol khans employed conquered peoples’ officials, like Chinese secretaries in Iran, to govern sedentary societies more effectively.(NCERT 11)
The Four Successor Khanates
- Yuan and Il-Khanid Descendants of Toluy ruled both China, as the Yuan dynasty, and Iran, as the Il-Khanid state.(NCERT 11)
- The Golden Horde Descendants of Jochi ruled the Russian steppes as the Golden Horde, later converting from Nestorian Christianity to Islam.(NCERT 11)
- The Chaghataids Chaghatai’s successors ruled the steppes of Transoxiana, in the region called Turkistan today.(NCERT 11)
- Timur’s Claim In 1370, Timur built a new steppe empire, but hesitated to call himself khan since he lacked Genghis Khanid descent.(NCERT 11)
The Yasa and Genghis Khan’s Legacy
- Yasaq to Yasa Genghis Khan’s early administrative rules, yasaq, later grew into the yasa, a broader legal code attributed to him.(NCERT 11)
- A Unifying Identity As a minority ruling sophisticated societies, Mongols used the yasa to keep a shared identity tied to their founder.(NCERT 11)
- A Lasting Symbol Even in 1526, Babur, a descendant of both Genghis Khan and Timur, founded the Mughal empire in India.(NCERT 11)
Exam Point of View
The Trap Examiners Set on the Mongol Successor States
- Why Exam options often confuse the four successor khanates. The Yuan and Il-Khanid states both came from Toluy’s line, not from Jochi or Chaghatai.
- Instead Timur is frequently mistaken for a direct Genghis Khanid descendant. He only claimed the title guregen, meaning royal son-in-law, since he lacked that bloodline himself.
- Takeaway Babur’s Mughal empire, founded in 1526, links back to Genghis Khan through Timur’s line, not through Genghis Khan’s own sons directly.
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