Original sentence: When Prince Wujiutu seized the throne of Wusun in 64BC, after his father died, there was fear in the Imperial Court of Han that Wujiutu, whose mother was Xiongnu, would allow Wusun to become Xiongnu's vassal
Edited sentence: When Prince Wujiutu seized the throne of Wusun in 64BC, after his father passed away, there was fear in the Imperial Court of Han that Wujiutu, whose mother was Xiongnu, would allow Wusun to become Xiongnu's vassal