《旧唐书·列传·卷九十五》
李灵曜叛乱时，田承嗣派侄儿田悦去援助他，李忠臣与诸军大败田悦等人，汴州平定。
李灵曜之叛，田承嗣使侄悦援之，忠臣与诸军大破悦等，汴州平。
When Li Lingyao rebelled, Tian Chengsi sent his nephew Tian Yue to his aid. Li Zhongchen and other troops defeated Tian Yue and his group, and Bian Prefecture was pacified.