《旧唐书·本纪·卷五》
突厥残余党羽阿史那骨笃禄等人招集残余部众，占据黑沙城，入侵并州北边边境。
突厥余党阿史那骨笃禄等招合残众，据黑沙城，入寇并州北境。
The remnants of the Turks, Ashena Gutulu and others, gathered the remnants of their troops, occupied Heisha City, and invaded the northern border of Bingzhou.