an Entity references as follows:
Emperor Go-Sai (後西天皇, Go-Sai-tennō, January 1, 1638 – March 22, 1685), also known as Emperor Go-Saiin (後西院天皇, Go-Saiin-tennō), was the 111th emperor of Japan, according to the traditional order of succession. Go-Sai's reign spanned the years from 1655 through 1663.