<prompt> Bhala okuqhubekayo kwalesi sigaba - UBarrientos wamiswa njengoMhloli wamacala ezihlubuki phakathi nalesi sikhathi, futhi ngo - 1438 wakhethwa waba uMbhishobhi waseSegovia. Ngo - May 3, 1440 kwabizwa umkhandlu wesonto eSontweni laseSan Miguel laseTurégano, lapho ayethula khona imiyalo yakhe yesinodi yokuqeqeshwa kwezenkolo nokwalusa kwabefundisi bakhe. Njengoba ayethembekile kuJohn II, ngo - 1442 walungisa isifunda-bhishobhi saseSegovia, esasingaphansi kwethonya lenkosana ehlubukayo uHenry, ukuze sikhonze isifundazwe sase - Ávila ekusekeleni iNkosi. Kamuva, wahlela ukubuyisana endaweni yaseTordesillas ukuze akhe ibutho elihlangene lapho ephikiswa imibuso yaseNavarre nase-Aragon. Ngo-1444 wahlala esifundazweni saseCuenca kwathi ngonyaka olandelayo wasiza amabutho esifundazweni eMpini Yokuqala yase-Olmedo  <response>: . futhi. Ngokufanayo, ngo - 1449, wathembisa ukuvikela isifunda - bhishobhi emabuthweni ka - don Alonso de Aragón nezinye izikhulu zaseCastile ezazimelene nenkosi. Omunye wamthembisa isikhundla sokuba umbhishobhi omkhulu waseSantiago de Compostela, kodwa wasenqaba lesi silingo. 