《周书·列传·卷十四》
兄长贺拔允，字阿泥，魏孝武帝时，官至太尉，封燕郡王，被齐神武杀害。
兄允字阿泥，魏孝武时，位至太尉，封燕郡王，为神武所害。
The elder brother He Ba Yun, whose courtesy name was Ani, was appointed as the Grand Tutor during the reign of Emperor Xiaowu of Wei and was granted the title of the Prince of Yangjun. He was killed by Gao Huan, the warlord of the Northern Qi dynasty.