What is "niohuru"

The Niohuru ( Manchu: ; in Manchu) were a prominent Manchu clan during the Qing dynasty. The clan had inhabited the Changbai Mountains since as early as the Liao dynasty. The clan was well known during the Qing dynasty for producing a variety of consorts of all ranks for emperors, several of whom went on to become mothers to reigning emperors. Prominent people who belonged or trace heritage to the Niohuru clan including famed Manchu warrior Eidu, his son the high official Ebilun, the Empress Dowager Ci'an, the infamous corrupt official Heshen, and the contemporary concert pianist Lang Lang.