《旧唐书·本纪·卷九》
诏命追尊圣祖玄元皇帝之父周上御史大夫李敬曰先天太上皇，母益寿氏号先天太后，仍在谯郡本乡设庙。
制追尊圣祖玄元皇帝父周上御史大夫敬曰先天太上皇，母益寿氏号先天太后，仍于谯郡本乡置庙。
The imperial edict honored Zhou Dashangyushi Li Jing, the father of the holy ancestor Emperor Xuanyuan, as the Prenatal Emperor Taishang, and his mother, the Yishou clan, as the Prenatal Empress Dowager, and the temple was still established in the original township of Qiao County.