▁brother ▁M iesz ko ▁T angle foot . ▁The ▁young est ▁brother , ▁Kon rad , ▁remained ▁in ▁Germany . ▁ ▁B oles ław ▁and ▁M iesz ko ▁initially ▁ruled ▁joint ly ▁and ▁two ▁years ▁later ▁( 1 1 6 5 ) ▁both ▁re to ok ▁the ▁major ▁S iles ian ▁cities ▁handed ▁back ▁by ▁the ▁high ▁du ke ▁and ▁obtained ▁full ▁control ▁over ▁all ▁S iles ia . ▁However ▁B oles ław , ▁as ▁the ▁el dest ▁brother , ▁held ▁overall ▁authority . ▁Three ▁years ▁after ▁taking ▁control ▁over ▁S iles ia , ▁B oles ław ▁felt ▁strong ▁enough ▁to ▁lead ▁a ▁ret ali atory ▁expedition ▁against ▁High ▁Duke ▁B oles ław ▁IV ▁to ▁try ▁and ▁recover ▁supre m acy ▁over ▁Poland . ▁ ▁Reb ell ion ▁of ▁M iesz ko ▁T angle foot ▁ ▁B oles ław ' s ▁exercise ▁of ▁overall ▁power ▁at ▁the ▁exp ense ▁of ▁his ▁younger ▁brother ▁caused ▁a ▁revol t ▁by ▁M iesz ko ▁T angle foot ▁in ▁ 1 1 7 2 . ▁In ▁a ▁major ▁disturb ance ▁in ▁the ▁S iles ian ▁du cal ▁family , ▁M iesz ko ▁supported ▁Jar os ław , ▁the ▁el dest ▁son ▁of ▁B oles ław , ▁who ▁was ▁res ent ful ▁against ▁his ▁father ▁because ▁had ▁been ▁forced ▁to ▁become ▁a ▁priest ▁due ▁to ▁the ▁intr ig ues ▁of ▁his ▁ste pm other ▁Christ ina , ▁who ▁wished ▁for ▁her ▁sons ▁to ▁be ▁the ▁only ▁he irs . ▁The ▁re bell ion ▁was ▁a ▁complete ▁surprise ▁to