Xiao, Chinese Khitan empress dowager
Empress Dowager Xiao (Chinese: 蕭太后; personal name unknown) (died October 7, 951?), formally Empress Rouzhen (柔貞皇后), was an empress dowager of the Khitan-led Chinese Liao dynasty. She was a concubine of Yelü Bei (posthumously honored Emperor Yizong) and the mother of Emperor Shizong (Yelü Ruan).