 After the Kangxi Emperor's first empress consort, Empress Xiaochengren, died on 6 June 1674, the Kangxi Emperor did not elevate any of his consorts to the position of Empress to replace her.On 18 September 1677, Lady Niohuru was first mentioned in official histories when the Kangxi Emperor instated her as his new Empress.As Empress, Lady Niohuru was in charge of the emperor's harem.