東太后
Empress Xiaozhenxian (12 August 1837 – 8 April 1881), of the Manchu Bordered Yellow Banner Niohuru clan, was a posthumous name bestowed to the wife and empress consort of Yizhu, the Xianfeng Emperor. She was Empress consort of Qing from 1852 until her husband's death in 1861, after which she was honoured as Empress Dowager Ci'an.