▁D ong ' s ▁younger ▁brothers . ▁He ▁created ▁his ▁head qu arter ▁Ji ang ling ▁capital ▁instead ▁of ▁returning ▁to ▁J ian k ang . ▁He ▁also ▁managed ▁to ▁eliminate ▁X iao ▁Ji , ▁but ▁in ▁order ▁to ▁do ▁this ▁he ▁al lied ▁with ▁Western ▁Wei , ▁who ▁in ▁turn ▁conquer ed ▁Y i ▁Province ▁( S ich uan ). ▁ ▁In ▁ 5 5 3 , ▁Northern ▁Q i ▁attacked ▁Li ang , ▁aim ing ▁to ▁install ▁a ▁nep hew ▁of ▁Emperor ▁Wu , ▁X iao ▁T ui ▁the ▁Mar qu ess ▁of ▁X i ang y in , ▁as ▁em peror , ▁but ▁was ▁defeated . ▁ ▁As ▁the ▁relationship ▁between ▁Emperor ▁Y uan ▁and ▁Western ▁Wei ▁was ▁d eter ior ating , ▁in ▁ 5 5 5 , ▁Western ▁Wei ▁army ▁s ack ed ▁Ji ang ling , ▁forcing ▁Emperor ▁Y uan ▁to ▁surrender , ▁and ▁killed ▁Emperor ▁Y uan ▁as ▁well ▁as ▁his ▁sons ▁before ▁installing ▁X iao ▁Cha ▁as ▁em peror ▁of ▁( West ern ) ▁Li ang ▁at ▁Ji ang ling . ▁ ▁Li ang ▁gener als ▁led ▁by ▁Wang ▁S eng bian ▁declared ▁X iao ▁F ang z hi ▁Prince ▁of ▁Jin ' an , ▁the ▁only ▁living ▁son ▁of ▁Emperor ▁Y uan , ▁as ▁Prince ▁of ▁Li ang ▁at ▁J ian k ang , ▁aim ing ▁to ▁crown ▁him ▁the ▁new ▁em peror , ▁but ▁the ▁Northern ▁Q i ▁army ▁defeated ▁them , ▁forcing ▁them ▁into ▁an ▁agreement ▁to ▁recogn ise ▁a ▁nep hew