▁fa ction al ▁kingdom ▁( ṭ ā ʾ ifa ) ▁in ▁Muslim ▁I ber ia ▁between ▁ 1 0 3 9 / 1 0 4 6 ▁and ▁ 1 1 0 2 / 1 1 1 0 . ▁Based ▁on ▁the ▁city ▁of ▁L ér ida ▁( C atal an ▁L le ida , ▁Arab ic ▁L ā r ida ), ▁the ▁ ṭ ā ʾ ifa ▁was ▁not ▁an ▁independent ▁state ▁throughout ▁this ▁period ▁but ▁was ▁sometimes ▁a ▁part ▁of ▁the ▁larger ▁ ṭ ā ʾ ifa ▁of ▁Zar ago za ▁ruled ▁by ▁a ▁governor ▁( w ā l ī ). ▁ ▁Under ▁the ▁late ▁C ór dob an ▁cal i ph ate , ▁L ér ida ▁was ▁ruled ▁by ▁w ā l ī s ▁of ▁the ▁Ban ū ▁T ud j ī b . ▁In ▁ 1 0 3 9 , ▁it ▁was ▁taken ▁from ▁them , ▁along ▁with ▁Zar ago za , ▁by ▁al - M usta ʿ ī n ▁of ▁the ▁Ban ū ▁H ū d . ▁At ▁some ▁point ▁prior ▁to ▁his ▁death ▁in ▁ 1 0 4 6 , ▁al - M usta ʿ ī n ▁placed ▁his ▁younger ▁son , ▁Y ū s uf ▁ibn ▁Sul ay m ā n ▁ibn ▁H ū d ▁al - M u ẓ aff ar , ▁in ▁charge ▁of ▁L ér ida , ▁while ▁in ▁ 1 0 4 6 ▁the ▁elder ▁son , ▁A ḥ mad ▁al - M u ḳ t ad ir , ▁inherited ▁Zar ago za