《明史·列传·卷一百八十八》
贵妃受神宗宠爱，郑氏父子、宗族恃势骄横，而神宗全不理会。
贵妃有宠，郑氏父子、宗族并骄恣，帝悉不问。
The imperial concubine was favoured by Shenzong, and Zheng, his sons and his clan relied on this power and status to become arrogant and overbearing, while Shenzong did not deal with it.