In modern times the Mongols are predominantly Tibetan Buddhists, but in previous eras, especially during the time of the Mongol empire, they were predominantly shamanist, and had a substantial minorit
Hulagu Khan, grandson of Genghis Khan and founder of the Ilkhanate, seated with his Eastern Christian queen Doquz Khatun of the Keraites
The Nestorian Stele in China, erected in 781
Nestorian tombstone with inscriptions in Syriac, found in Issyk Kul, dated 1312
Depiction of the Keraite ruler "Wang Khan" ("King and Khan") Toghrul as "Prester John" in "Le Livre des Merveilles", 15th century.