《金史·本纪·卷一》
景祖的同父异母弟弟跋黑有贰心，世祖恐怕他生出事端，留心对待他，不让他掌握兵权，但让他当部落长。
景祖异母弟跋黑有异志，世祖虑其为变，加意事之，不使将兵，但为部长。
Bahei, the half-brother of the first ancestor, had ulterior motives. The founding ancestor was afraid that he would cause trouble, so he was careful with him, not allowing him to control military power, but made him the chief of the tribe.