《资治通鉴·梁纪·梁纪十五》
当初，西魏高阳王元斌有一个庶出的妹妹玉仪，在元斌家里是个微不足道的人，做了孙腾的歌舞妓，后来孙腾又抛弃了她。高崐澄在路上遇到了她，很喜爱她，便收她为妾，备受高澄宠爱，被封为琅邪公主。
初，魏高阳王斌有庶妹玉仪，不为其家所齿，为孙腾妓，腾又弃之；高澄遇诸涂，悦而纳之，遂有殊宠，封琅邪公主。
At the beginning, King Yuan Bin of Gaoyang in the Western Wei Dynasty had an illegitimate younger sister, Yuyi, who was an insignificant person in Yuan Bin's family. She became a singing and dancing girl for Sun Teng, and later Sun Teng abandoned her. Gao Quncheng met her on the way and liked her very much, so he took her as a concubine and was favored by Gao Cheng. She was named Princess Langya.