Empress Gi or Empress Ki (Hangul: 기황후, Hanja: 奇皇后; 1315–1370(?)), also known as Empress Qi (Chinese: 奇皇后) or Öljei Khutuk (Mongolian: Өлзийхутаг; Chinese: 完者忽都), was a Goryeo-born empress consort of the Yuan dynasty. She was one of the primary empresses of Toghon Temür (Emperor Huizong), and the mother of Biligtü Khan (Emperor Zhaozong), who would become an emperor of the Northern Yuan dynasty. Gi was originally from an aristocratic family of the Goryeo dynasty, and first served as concubine