《太平广记·卷二百八十六·幻术三》
她的年龄渐渐大了，上下都叫她钮婆。钮婆还有一个孙子，叫万儿，年龄只有五六岁，每次都随钮婆一起来。
年长，谓之钮婆，并有一孙，名万儿，年五六岁，同来。
As she gradually became older, everyone called her Nanny Niu. Nanny Niu also had a grandson named Wan'er, who was five or six years old, and every time he followed Nanny Niu.