《后汉书·列传·南匈奴列传》
夏天，南单于所俘获的北部敌虏奠鞑左贤王率领部众和南部的五位骨都侯合起来三万多人，叛变北归，在距北单于庭三百多里的地方，一同立奠鞑左贤王为单于。
夏，南单于所获北虏薁鞬左贤王将其众及南部五骨都侯合三万余人畔归，去北庭三百余里，共立薁鞬左贤王为单于。
In the summer, the northern enemy captured by the Southern Chanyu, Dian Tata Zuo Xianwang, led his subordinates and the five Guduhou of the south together with more than 30,000 people, rebelled and returned to the north, established Dian Ta Zuo Xianwang as the Chanyu in a place more than 300 miles from the Northern Chanyu court.