《孔子家语·本姓解》
征在去叔梁纥家时，首先约在宗庙会面。由于丈夫的年龄比较大，担心不能够赶快生个儿子，于是就私自到尼丘山去祈祷。
以夫之年大，惧不时有男，而私祷尼丘之山以祈焉。
When Zheng went to Shuliang He's house, she first met him at the ancestral temple. Because her husband was relatively old, she was worried that she would not be able to have a sonすぐに, so she went to Nichu Mountain to pray in private.