Er Chanyu

Er Chanyu (Chinese: 兒單于; r. 105–102 BC), born Wushilu (Chinese: 烏師廬), was a chanyu of the Xiongnu Empire. He succeeded his father Wuwei Chanyu in 105 BC and died from an illness in 102 BC. Er Chanyu was succeeded by his uncle, Xulihu Chanyu.^[1]

Wushilu
Er Chanyu
Domain and influence of the Xiongnu
Reign	c. 105–102 BC
Predecessor	Wuwei Chanyu
Successor	Xulihu Chanyu
Born	c. 126 BC
Died	102 BCE (aged 23–24)
Father	Wuwei Chanyu

In mid 103 BC, Zhao Ponu attacked the Xiongnu with 20,000 cavalry, but was surrounded and captured. The Xiongnu tried to take a Han stronghold after the victory but failed.^[2]