▁Ji ▁surv ives . ▁ ▁Biography ▁ ▁S ources ▁ ▁Chapter ▁ 1 8 3 ▁of ▁the ▁New ▁Book ▁of ▁Tang ▁gives ▁a ▁short ▁bi ography ▁of ▁Han ▁Wo . ▁ ▁B irth ▁and ▁early ▁life ▁ ▁He ▁was ▁born ▁in ▁either ▁ 8 4 2 ▁or ▁ 8 4 4 . ▁He ▁was ▁a ▁native ▁of ▁W ann ian , ▁J ing z ha o ▁( mod ern - day ▁X i ' an , ▁Sh a an xi ▁Province ). ▁His ▁father , ▁Han ▁Z han ▁() ▁took ▁the ▁imperial ▁exam ination ▁in ▁the ▁same ▁year ▁as ▁Li ▁Shang y in , ▁who ▁was ▁also ▁connected ▁to ▁Wo ' s ▁family ▁through ▁marriage . ▁The ▁young ▁Wo ▁supposed ly ▁was ▁recognized ▁for ▁his ▁po etic ▁genius ▁by ▁Li , ▁who ▁pra ised ▁him . ▁ ▁Political ▁career ▁ ▁In ▁ 8 8 9 ▁( Long ji ▁ 1 ) ▁he ▁passed ▁the ▁imperial ▁exam ination , ▁receiving ▁his ▁Jin sh i ▁degree . ▁He ▁became ▁a ▁scholar ▁at ▁the ▁Han lin ▁Academy ▁and ▁a ▁low - ran king ▁official ▁at ▁the ▁Central ▁Secret ariat , ▁eventually ▁becoming ▁Vice - Min ister ▁of ▁Def ense ▁( 兵 部 <0xE4> <0xBE> <0x8D> 郎 ). ▁He ▁earned ▁the ▁trust ▁of ▁Emperor ▁Z ha oz ong , ▁working ▁with ▁him ▁against ▁the ▁e un uchs , ▁and ▁was ▁recommended ▁for ▁the ▁position ▁of ▁ch an cell or , ▁but ▁he ▁was ▁dis lik ed ▁by ▁Z hu ▁Qu anz h ong ▁( l ater ▁to