▁ ▁Mong ol ▁and ▁M aml uk ▁periods ▁ ▁The ▁cit adel ▁was ▁dam aged ▁by ▁the ▁Mong ol ▁invasion ▁of ▁ 1 2 6 0 ▁and ▁again ▁destroyed ▁by ▁the ▁invasion ▁led ▁by ▁the ▁Tur co - M ong ol ▁leader ▁Tim ur ▁which ▁swe pt ▁through ▁Ale ppo ▁in ▁ 1 4 0 0 – 1 4 0 1 . ▁ ▁In ▁ 1 4 1 5 ▁the ▁M aml uk ▁governor ▁of ▁Ale ppo , ▁prince ▁Say f ▁al - D in ▁Jak am , ▁was ▁author ized ▁to ▁re build ▁the ▁cit adel , ▁which ▁by ▁then ▁stood ▁at ▁the ▁centre ▁of ▁a ▁significant ▁trad ing ▁city ▁of ▁between ▁ 5 0 , 0 0 0 – 1 0 0 , 0 0 0 ▁inhabitants . ▁Say f ▁al - D in ' s ▁add itions ▁included ▁two ▁new ▁advance ▁to wers ▁on ▁the ▁north ▁and ▁south ▁s lop es ▁of ▁the ▁cit adel , ▁and ▁the ▁new ▁M aml uk ▁palace ▁built ▁on ▁top ▁of ▁the ▁higher ▁of ▁the ▁two ▁entrance ▁to wers . ▁The ▁A yy ub id ▁palace ▁was ▁almost ▁completely ▁abandoned ▁during ▁this ▁period . ▁The ▁M aml uk ▁period ▁also ▁admin ister ed ▁rest oration ▁and ▁pres ervation ▁projects ▁on ▁the ▁Cit adel . ▁The ▁final ▁M aml uk ▁s ultan , ▁Al - A sh raf ▁Q ans uh ▁al - G h aw ri , ▁replaced ▁the ▁flat ▁ce iling ▁of ▁the ▁Th r one ▁Hall ▁with ▁ 9 ▁dom es .