《晋书·志·第一章》
宗星两颗，在侯星的东面，象徵着宗室，是辅佐帝王并与帝王有血缘关系的臣子。
宗星二，在候星东，宗室之象，帝辅血脉之臣也。
Two stars of Zong, on the east of Hou star, symbolize the imperial clan and are ministers who assist the emperor and have blood relationship with the emperor.