<prompt> Bhala okuqhubekayo kwalesi sigaba - Ngemva kokufa kukaJohn II ngo-1454, waqala ukuhlanganyela ngenkuthalo emzabalazweni wezicukuthwane olwa noHenry IV waseCastile. Ngo-1445, walwa eMpini Yokuqala Yase-Olmedo  <response>: ngokumelene no-Alvaro de Luna owayesekela uHenry IV. Ngemva konyaka ngo-1465, wabamba iqhaza kulokho okwaziwa ngokuthi yi-Farce of Ávila lapho iqembu lezikhulu zaseCastilian labulala khona ngokomfanekiso uHenry IV futhi lamemezela ukuthi umfowabo, u-Alfonso waseCastile, owaziwa kangcono ngokuthi u-Alfonso the Innocent, uyinkosi esemthethweni. Lo mkhosi wabizwa ngokuthi i-Farce of Avila ngabagxeki banamuhla futhi igama liye langena emlandweni. Ngokubamba iqhaza kwakhe eFarce, wathola isihloko sikaConstable waseCastile 