Ni Sichong was one of the handful of Beiyang generals who along with Zhang Xun supported Yuan Shikai's Empire of China during the National Protection War. He was later part of the Anhui clique until resigning in 1920 due to the disastrous defeat in the Zhili-Anhui War. Wikipedia
The definitive Wikipedia entry for Ni Sichong. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Ni_Sichong