▁southern ▁Han ▁Chinese ▁men ▁from ▁the ▁imperial ▁families ▁and ▁arist ocr ats ▁from ▁southern ▁China ▁of ▁the ▁Southern ▁dynast ies ▁who ▁defect ed ▁and ▁moved ▁north ▁to ▁join ▁the ▁Northern ▁Wei . ▁Tu oba ▁X ian bei ▁Princess ▁N any ang ▁( 南 阳 长 公 主 ) ▁was ▁married ▁to ▁X iao ▁Ba oy in , ▁a ▁Han ▁Chinese ▁member ▁of ▁Southern ▁Q i ▁royal ty . ▁ ▁In ▁ 5 4 8 , ▁Hou ▁J ing ▁Prince ▁of ▁Hen an ▁started ▁a ▁re bell ion ▁with ▁X iao ▁Zh eng de ▁the ▁Prince ▁of ▁Lin he , ▁nep hew ▁and ▁a ▁former ▁he ir ▁of ▁Emperor ▁Wu ▁of ▁Li ang ▁and ▁installed ▁X iao ▁Zh eng de ▁as ▁em peror . ▁In ▁ 5 4 9 , ▁Hou ▁s ack ed ▁J ian k ang , ▁de posed ▁and ▁killed ▁X iao ▁Zh eng de , ▁seized ▁the ▁power ▁and ▁put ▁Emperor ▁Wu ▁effectively ▁under ▁house ▁arrest . ▁He ▁dismiss ed ▁the ▁arm ies ▁opposed ▁to ▁him ▁in ▁the ▁name ▁of ▁Emperor ▁Wu . ▁In ▁ 5 5 0 ▁Emperor ▁Wu ▁died , ▁Hou ▁created ▁Emperor ▁Wu ' s ▁third ▁son ▁Crown ▁Prince ▁Gang ▁Emperor ▁J ian wen ▁of ▁Li ang , ▁also ▁effectively ▁under ▁house ▁arrest . ▁He ▁also ▁attempted ▁to ▁suppress ▁those ▁who ▁would ▁not ▁submit ▁to ▁him . ▁ ▁At ▁the ▁same ▁time ▁the ▁Li ang ▁princes ▁fought ▁with ▁each ▁other ▁rather ▁than ▁try ▁to ▁eliminate ▁Hou : ▁Emperor ▁Wu ' s ▁sevent h ▁son ▁X iao ▁Y