▁the ▁rivers ▁of ▁Mind ana o ▁( a ▁mission ▁he ▁received ▁from ▁Dr . ▁Francisco ▁de ▁San de , ▁Governor ▁and ▁Captain - General ▁of ▁the ▁Arch ip el ago ), ▁R iber a ▁mentioned ▁that ▁his ▁aim ▁was ▁to ▁make ▁the ▁inhabitants ▁of ▁that ▁island ▁" v ass als ▁of ▁King ▁Don ▁F eli pe ... ▁as ▁are ▁all ▁the ▁n atives ▁of ▁the ▁island ▁of ▁Pan ay , ▁the ▁P int ados ▁Islands , ▁and ▁those ▁of ▁the ▁island ▁of ▁Lu zon ..." ▁ ▁In ▁Book ▁I , ▁Chapter ▁VII ▁of ▁the ▁Labor ▁Evangel ica ▁( pub lished ▁in ▁Madrid ▁in ▁ 1 6 6 3 ), ▁Francisco ▁Col in , ▁S . J . ▁described ▁the ▁people ▁of ▁I lo ilo ▁as ▁Indians ▁who ▁are ▁Vis ay ans ▁in ▁the ▁strict ▁sense ▁of ▁the ▁word ▁( Ind ios ▁en ▁rig or ▁Bis ay as ), ▁obser ving ▁also ▁that ▁they ▁have ▁two ▁different ▁languages : ▁Har ay as ▁and ▁Har igue yn es , ▁which ▁are ▁actually ▁the ▁Kar ay - a ▁and ▁Hil ig ay non ▁languages . ▁ ▁Social ▁Str ucture ▁ ▁Before ▁the ▁advent ▁of ▁the ▁Sp ani ards , ▁the ▁settlement s ▁of ▁this ▁conf eder ation ▁already ▁had ▁a ▁developed ▁civil ization , ▁with ▁defined ▁social ▁m ores ▁and ▁structures , ▁en abling ▁them ▁to ▁form ▁an ▁al liance , ▁as ▁well ▁as ▁with ▁a ▁s oph istic ated ▁system ▁of ▁belief s , ▁including ▁a ▁religion ▁of ▁their ▁own . ▁ ▁The ▁D atu