De Fei is the rank of Empress in Tang Dynasty, which is divided into four categories: imperial concubine, Shu Fei, virtuous concubine and de Fei.

The customization of Qing dynasty was said by the landlord.

Empress, imperial concubine, imperial concubine, concubines and nobles are always present and make promises.

Although there is also a princess named De, it is not a rank, but a princess's name.