帝国时期蒙古皇室先后与弘吉剌、亦乞列思、汪古、斡亦剌等部建立联姻关系,逐渐形成了比较固定的通婚圈,并由此形成一个统治集团,最终帮助蒙古建立了一个疆域辽阔的帝国。 During the period of the Empire, the Mongolian royal family established the marriage relationship with Hongji assassination, also begging, Wang Gu, assassination and other ministries, and gradually formed a relatively fixed intermarriage circle, which formed a ruling group and eventually helped Mongolia to establish a territory The vast empire.