《太平广记·卷二十六·神仙二十六》
他母亲姓刘，因为白天睡觉，梦见流星进入口中，吞下之后就怀孕了。怀孕十五个月才生下他。
母刘，因昼寐，梦流星入口，吞之乃孕，十五月而生。
His mother's surname was Liu. Because she slept during the day, she dreamed of a meteor entering her mouth. After swallowing it, she became pregnant. She gave birth to him after being pregnant for fifteen months.