《元史·列传·卷三十六》
十九年，金降将武仙在真定反叛，黑马随孛罗讨伐，攻克真定，武仙逃走。
乙酉，金降将武仙据真定以叛，从孛罗讨之，破真定，武仙遁去。
In the 19th year, Jin surrendering general Wu Xian rebelled in Zhen Ding, Hei Ma followed Bo Luo and fought against them, captured Zhen Ding, and Wu Xian fled. 