High Quality Content by WIKIPEDIA articles! Yelu Chucai (1189 1243) was a statesman of Khitan ethnicity with royal family lineage to the Liao Dynasty, and became a vigorous adviser and administrator of the early Mongol Empire in the Confucian tradition. HE was the first of Genghis Khan retainers to suggest the policy of Mongol conquests, and he also introduced many administrative reforms in North China during the reign of Genghis Khan and his successor Ogedei. WEll versed in Buddhist scriptures and a practitioner in Daoism, Yelu Chucai had become best known for his service as the chief adviser to Genghis Khan. YElu Chucai's father Yelu Lu, served with the Jurchen Jin Dynasty, which defeated the Liao Dynasty in 1125, and it was the unified Mongolian army under Genghis Khan that began a war of conquest against the Jin Dynasty in 1211. BOth Jurchen and Khitan rebels joined the Mongols in the fight against the Jin Dynasty, and Yelu Chucai joined Genghis Khan's administration in the year 1218 at the age of 28. IN death, Yelu Chucai was honored with a tomb beside Beijing's Kunming Lake, later moved to the gardens of the Summer Palace.