《资治通鉴·唐纪·唐纪六十四》
郑氏的三个儿子李景让、李景温、李景庄，都中进士及第，李景让已当上大官，头发都已斑白，在家小有过错，仍不免遭母亲的捶打。
三子景让、景温、景庄，皆举进士及第。景让官达，发已斑白，小有过，不免捶楚。
Zheng's three sons, Li Jingrang, Li Jingwen, and Li Jingzhuang, all passed the imperial examinations as Jinshi. Li Jingrang had already become a high-ranking official, and his hair was already graying. Even a minor mistake at home would not save him from his mother's beating.