Wiki information Kuchlug:

Man, Person

Kuchlug was a member of the Naiman tribe of western Mongolia. He was defeated by Genghis Khan and fled westward to the Kara-Khitan Khanate, where he became an advisor. He later rebelled, usurped the throne and took control of the khanate. He was...

Mongol conquest of the Kara-Khitai

The Mongol Empire conquered the Kara-Khitan Khanate in the years 1216-1218 AD. Already weakened from their struggle with the Khwarazmian dynasty and the usurpation of power by the Naiman prince Kuchlug, the Kara-Khitai attracted attention from the...