洪承疇
After his surrender, Hong Chengchou was made an official only after Qing forces occupied the Ming capital, Beijing. In 1645, Hong Chengchou was sent to Nanjing with the title Pacificator of Jiangnan. His real role in the military was to ship supplies, nonetheless he suppressed many Ming officials and members of the imperial family of the Southern Ming (a short-lived state formed by remnants of the fallen Ming Empire).