《旧五代史·后唐·列传十九》
父亲李瞻业，应进士考试没及第，遇战乱，搬家到渤海的无棣，用诗书教育子孙。
父瞻业，应进士不第，遇乱，徙家渤海之无棣，以诗书训子孙。
His father Li Zhanye failed the imperial examination, and during the civil wars relocated his family to Wuji, in Bohai, where he taught his children the Confucian classics.