ño ▁was ▁repr im and ed ▁for ▁his ▁failure ▁to ▁defend ▁the ▁cit adel . ▁Alfonso , ▁in ▁Cant iga ▁ 3 4 5 , ▁refers ▁to ▁Nu ño ' s ▁flight ▁as ▁something ▁that ▁" by ▁law ▁and ▁custom ▁ought ▁not ▁to ▁be ". ▁The ▁law ▁in ▁question ▁is ▁found ▁in ▁the ▁S iet e ▁Part idas ▁( 2 , ▁ 1 8 ), ▁which ▁lists ▁the ▁oblig ations ▁of ▁an ▁al ca ide . ▁Despite ▁the ▁d ish on our ▁he ▁had ▁brought ▁upon ▁himself , ▁Nu ño ▁was ▁compens ated ▁for ▁the ▁loss ▁of ▁re venue ▁from ▁J ere z . ▁ ▁S lide ▁into ▁re bell ion ▁( 1 2 6 7 – 7 3 ) ▁In ▁ 1 2 6 6 , ▁the ▁Ban u ▁Ash q il ula , ▁the ▁most ▁powerful ▁family ▁in ▁the ▁Kingdom ▁of ▁Gran ada ▁after ▁the ▁r uling ▁Nas rid s , ▁and ▁in ▁control ▁of ▁the ▁port ▁of ▁M ál aga , ▁approached ▁Alfonso ▁X ▁to ▁ask ▁for ▁an ▁al liance ▁against ▁King ▁I bn ▁al - Ah mar ▁of ▁Gran ada . ▁A ▁written ▁agreement ▁was ▁signed ▁where in ▁Alfonso ▁promised ▁to ▁lead ▁an ▁army ▁in ▁person ▁against ▁Gran ada ▁if ▁I bn ▁al - Ah mar ▁attacked ▁the ▁Ban u ▁Ash q il ula . ▁He ▁also ▁sent ▁Nu ño ▁with ▁an ▁army ▁of ▁ 1 , 0 0 0 ▁kn ights ▁to ▁Ban u ▁Ash q il ula . ▁Nu ño ▁perhaps ▁got ▁as ▁far ▁as ▁M ál