《旧唐书·列传·卷三》
甚至文帝的侍妾宫女，一并给予宠爱；各位王侯的女儿，全部收进后宫。
逮于先皇嫔御，并进银环；诸王子女，咸贮金屋。
Even the concubines and palace maids of Emperor Wen were treated with favor; the daughters of all the marquises were taken into the harem.