《旧唐书·本纪·卷十九》
朕的第五个儿子普王李俨改名为李儇，他孝顺庄重，温良谦恭，宽容和蔼，博爱仁厚，美德一天天长进，皇天赋予他英姿，说话都合乎规矩，举止必定以礼节为依据。
第五男普王俨改名儇，孝敬温恭，宽和博厚，日新令德，天假英姿，言皆中规，动必由礼。
"My fifth son, Prince Pu Li Yan, shall have his name changed to Li Xuan. He is filial, dignified, gentle, and humble, tolerant, amiable, and kind. His virtue grows day by day, and Heaven has endowed him with heroic talent. His speech is unfailingly in accordance with the rules, and his every action is guided by propriety.