Tags: Noble.
Hachiun (Mongolian: Хачиун) also known as Hachiun Alchi (Mongolian: Хачиун Алчи) was a full-brother of Genghis Khan and third son of Hoelun. His father was Yesügei baghatur.Hachiun was said to have a very good relationship with his brother Hasar but a poorer one with Temüge. Of all the brothers he had the firmest relationship with Genghis.