《梦溪笔谈·杂志一》
皇祐年间，金陵发掘出一座古墓，有石制的墓志，据此知道这是南朝刘宋时宗悫之母郑夫人的墓。
皇祐中，金陵发一冢，有石志，乃宋宗悫母郑夫人。
During the Huangyou era, an ancient tomb was excavated in Jinling, and a stone epitaph was found, which revealed that it was the tomb of Zheng, the mother of Zong Que from Liu Song during the Southern Dynasties.