▁but ▁was ▁defeated ▁in ▁ 1 0 7 7 . ▁The ▁F at im ids ▁subsequently ▁built ▁on ▁their ▁victory ▁over ▁A ts iz ▁and ▁bes ie ged ▁Dam asc us ▁in ▁ 1 0 7 7 ▁and ▁again ▁in ▁ 1 0 7 8 , ▁but ▁both ▁attempts ▁to ▁take ▁the ▁city ▁were ▁un success ful . ▁The ▁sie ge ▁of ▁ 1 0 7 8 ▁was ▁eventually ▁lifted ▁by ▁T ut ush ▁I , ▁brother ▁of ▁the ▁Sel ju q ▁s ultan ▁Mal ik ▁Shah ▁I , ▁to ▁whom ▁A ts iz ▁had ▁appe aled ▁for ▁help . ▁After ▁the ▁F at im id ▁bes ie gers ▁had ▁left , ▁T ut ush ▁I ▁took ▁over ▁the ▁city ▁and , ▁dist rust ing ▁A ts iz , ▁had ▁him ▁assass in ated ▁in ▁ 1 0 7 8 . ▁ ▁The ▁construction ▁of ▁the ▁cit adel ▁was ▁finished ▁under ▁T ut ush ▁I . ▁ ▁From ▁Sel ju q s ▁to ▁Z eng ids ▁After ▁the ▁death ▁of ▁T ut ush ▁I ▁in ▁ 1 0 9 5 , ▁Sy ria ▁was ▁divided ▁between ▁his ▁sons ▁Ab u ▁Nas r ▁Sh ams ▁al - M ul uk ▁Du qa q ▁and ▁F ak hr ▁al - M ulk ▁Rad wan . ▁Du qa q ▁took ▁control ▁of ▁Dam asc us ▁while ▁Rad wan ▁established ▁himself ▁as ▁r uler ▁of ▁Ale ppo . ▁During ▁Du qa q ' s ▁reign ▁( 1 0 9 5 – 1 1 0 4 ), ▁additional