os ity .) ▁ ▁After ▁a ▁short ▁so j ourn ▁among ▁the ▁n atives , ▁the ▁Sp ani ards ▁began ▁to ▁prepare ▁for ▁their ▁return ▁trip . ▁S ánchez ▁made ▁certain ▁calculations ▁based ▁on ▁his ▁ship ' s ▁log ▁and ▁his ▁estimates ▁of ▁his ▁ship ' s ▁course ▁on ▁its ▁out bound ▁leg . ▁ ▁The ▁return ▁voyage ▁required ▁about ▁a ▁month ▁at ▁sea , ▁and ▁they ▁hardly ▁made ▁it ▁to ▁Porto ▁Santo ▁Island , ▁in ▁Made ira . ▁It ▁was ▁while ▁recover ing ▁from ▁their ▁voyage ▁in ▁Porto ▁Santo ▁where ▁Al onso ▁met ▁Christopher ▁Columb us ▁( who ▁really ▁lived ▁there ▁during ▁the ▁ 1 4 8 0 s ), ▁to ▁whom ▁he ▁related ▁the ▁story ▁of ▁his ▁amaz ing ▁advent ure . ▁ ▁Some ▁believe ▁that ▁the ▁information ▁provided ▁by ▁S ánchez , ▁regarding ▁head ings ▁and ▁distances , ▁influenced ▁Columb us ' s ▁plans . ▁O thers ▁believe ▁that ▁Al onso ▁S ánchez ▁never ▁existed , ▁and ▁that ▁he ▁was ▁simply ▁part ▁of ▁an ▁attempt ▁by ▁the ▁Pin z ón ▁brothers ▁to ▁dis cred it ▁Columb us ' ▁skills ▁as ▁a ▁navig ator . ▁ ▁Indeed , ▁no ▁document ▁from ▁the ▁time ▁tells ▁about ▁any ▁Al onso ▁S ánchez ▁from ▁H uel va , ▁and ▁everything ▁known ▁about ▁him ▁comes ▁from ▁the ▁writers ▁that ▁told ▁his ▁story ▁well ▁after ▁Columb us ' ▁death . ▁Moreover , ▁several ▁authors ▁have ▁claimed ▁Al onso ▁S ánchez ▁to ▁be ▁from ▁Portugal , ▁B isc ay ▁or ▁some ▁other ▁parts ▁of ▁And alus ia