《北史·本记·卷一》
自从沙漠汗到晋朝以后，其他几位王子都得到神元皇帝的宠爱，所以对于继位的人选，神元皇帝也拿不定主意。
自帝在晋后，诸子爱宠，神元颇有所惑。及闻诸大人请，因曰： 当便除之。 
After the crown prince went to the Jin Dynasty, the other princes were favored by Emperor Shenyuan, so he could not make up his mind about who would succeed him.