Meanwhile, Huan advanced east toward the capital and, after he made overtures to Liu, Liu turned against Sima Yuanxian. Jiankang fell to Huan, and Sima Yuanxian was captured and executed, along with all of his major associates and six sons.
Huan's advance eastward toward the capital led to Liu turning against Sima Yuanxian, culminating in Jiankang falling to Huan, and the capture and execution of Sima Yuanxian and his associates, including his six sons.