《新唐书·列传·卷三十六》
他的父亲程名振，隋朝大业末年，在窦建德手下任普乐县令，盗贼不敢涉足县境。
父名振，隋大业末，仕窦建德为普乐令，盗不迹境。
His father, Cheng Mingzhen, served as the governor of Pule County under Dou Jiande at the end of the Sui Dynasty's Daye Dynasty. Thieves did not dare to set foot on the county territory.