They either died in prison in Lanzhou, Gansu, or were killed by the Chinese. His sons Yima Kuli, K'ati Kuli, Maiti Kuli, and grandson Aisan Ahung were the only survivors in 1879. They were all underage children, and put on trial, sentenced to an agonizing death if they were complicit in their father's rebellious "sedition", or if they were innocent of their father's crimes, were to be sentenced to castration and serving as a eunuch slave to Chinese troops, when they reached 11 years old.[22][23] Although some sources assert that the sentence of castration was carried out, official sources from the US State Department and activists involved in the incident state that Yaqub Beg's sons and grandson had their sentence commuted to life imprisonment with a fund provided for their support.[24][25][26]