In 1351 , during the reign of Emperor Toghon Temür of the Yuan dynasty , 93rd-generation descendant Kong Huan ( 孔浣 ) ' s 2nd son Kong Shao ( 孔昭 ) moved from China to Korea during the Goryeo , and was received courteously by Princess Noguk ( the Mongolian-born wife of the future king Gongmin ) .