After the empress died, the emperor named no new empress and put the Imperial Noble Consort in charge of the harem instead.
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First created in the Ming, the rank was fixed under the Qing, whose ranks below the empress ran 皇贵妃, 贵妃, 妃, 嫔, 贵人, 常在 and 答应. There was seldom more than one at a time, and she often ran the harem when there was no empress.