《资治通鉴·唐纪·唐纪三十二》
十一月癸未，玄宗封杨贵妃嫁给崔氏的姐姐为韩国夫人，嫁给裴氏的姐姐为虢国夫人，嫁给柳氏的姐姐为秦国夫人。
十一月，癸未，以贵妃姊适崔氏者为韩国夫人，适裴氏者为虢国夫人，适柳氏者为秦国夫人。
On November, the 25th, Emperor Xuanzong granted the title of the Lady of Korea to Yang Guifei's sister, who was married to the Cui clan, the title of the Lady of Henan to her sister, who was married to the Pei clan, and the title of the Lady of Qin to her sister, who was married to the Liu clan.