▁The ▁ ṭ ā ʾ ifa ▁of ▁L ér ida , ▁as ▁the ▁n ort he astern most ▁of ▁the ▁states ▁to ▁come ▁out ▁of ▁the ▁division ▁of ▁ 1 0 8 1 , ▁bore ▁the ▁br unt ▁of ▁the ▁conflict ▁with ▁San cho ▁Ram í rez , ▁king ▁of ▁Arag on , ▁and ▁his ▁son , ▁Peter , ▁king ▁of ▁Sob rar be , ▁who ▁stead ily ▁advanced ▁down ▁the ▁valley ▁of ▁the ▁Cin ca . ▁In ▁ 1 0 8 3 , ▁they ▁took ▁Gra us ; ▁then , ▁between ▁ 1 0 8 7 ▁and ▁ 1 0 9 3 , ▁Peter ▁took ▁Est ada , ▁Mon z ón ▁and ▁Al men ar . ▁In ▁ 1 0 8 9 , ▁Count ▁Er m eng ol ▁IV ▁of ▁Ur g ell ▁launched ▁an ▁attack ▁towards ▁Bal ag uer , ▁possibly ▁even ▁taking ▁the ▁city ▁tempor arily . ▁ ▁In ▁ 1 0 9 0 , ▁al - M und h ir ▁died ▁and ▁was ▁succeeded ▁by ▁his ▁son , ▁Sul ay m ā n ▁ibn ▁H ū d , ▁a ▁minor . ▁Sul ay m ā n ' s ▁reg ents ▁divided ▁the ▁ ṭ ā ʾ ifa , ▁separ ating ▁Den ia ▁and ▁T ort osa ▁to ▁their ▁own ▁advantage ▁and ▁leaving ▁him ▁a ▁r ump ▁L ér ida . ▁In ▁ 1 1 0 0 , ▁Peter , ▁now ▁king ▁of ▁Arag on , ▁captured ▁Barb astro , ▁the ▁second ▁city ▁of ▁the ▁ ṭ ā ʾ ifa