《周礼·天官冢宰·九嫔&女史》
九嫔掌管有关妇人学习的法则，以教育女御作为妇人所应具有的德行、言辞、仪态、劳动技能，各率领所属的女御，按时依次到燕寝侍候王歇息。
九嫔掌妇学之法，以教九御妇德、妇言、妇容、妇功，各帅其属而以时御叙于王所。
All nine concubines were in charge of the etiquette for women. They educated the women on morality, speech, demeanor, and various work skills. Each of them would lead her followers to serve the king in his bedchamber at specific times.