led o , ▁was ▁a ▁Navar res e - born ▁Cast ilian ▁Roman ▁Catholic ▁bishop ▁and ▁historian . ▁ ▁He ▁was ▁born ▁from ▁a ▁Navar res e ▁noble ▁family ▁and ▁was ▁educated ▁by ▁his ▁uncle , ▁Martín ▁de ▁la ▁F ino j osa , ▁ab bot ▁of ▁Saint ▁Mary ▁of ▁Hu erta ▁and ▁bishop ▁of ▁Sig ü enza . ▁He ▁studied ▁Law ▁and ▁The ology ▁in ▁the ▁Univers ities ▁of ▁Bolog na ▁and ▁Paris . ▁When ▁he ▁returned ▁to ▁Navar re ▁he ▁medi ated ▁between ▁that ▁kingdom ▁and ▁Cast ile ▁and ▁he ▁became ▁friend ▁of ▁King ▁Alfonso ▁VIII ▁of ▁Cast ile , ▁who ▁nominated ▁him ▁as ▁bishop ▁of ▁Os ma ▁and ▁later ▁put ▁pressure ▁on ▁the ▁chapter ▁of ▁To led o ▁to ▁elect ▁him ▁as ▁arch bishop ▁of ▁To led o . ▁His ▁election ▁as ▁arch bishop ▁of ▁To led o ▁was ▁confirmed ▁by ▁Pope ▁In noc ent ▁III ▁on ▁ 1 2 ▁February ▁ 1 2 0 9 . ▁In ▁addition , ▁Alfonso ▁VIII ▁appointed ▁him ▁as ▁major ▁ch an cell or ▁of ▁Cast ile . ▁ ▁He ▁played ▁a ▁key ▁role ▁in ▁the ▁war ▁against ▁the ▁Al m oh ads ▁and ▁at ▁the ▁battle ▁of ▁Las ▁N avas ▁de ▁Tol osa ▁( 1 2 1 2 ). ▁He ▁was ▁the ▁moral ▁leader ▁of ▁that ▁war , ▁which ▁was ▁considered ▁in ▁Europe ▁as ▁a ▁cr us ade ▁in ▁which ▁many ▁European ▁kn ights ▁took ▁part . ▁He ▁sent ▁afterwards ▁mission aries ▁to ▁Mor oc co . ▁His ▁arch bishop ric ▁gained ▁a