Tuhia he tomokanga mo tenei whitianga - I muri i te matenga o John II i te 1454, ka tiimata ia ki te uru kaha ki te roopu rangatira e whawhai ana ki a Henry IV o Castile. I te tau 1445, i whawhai ia i te Pakanga Tuatahi o Olmedo
i a Alvaro de Luna nāna i tautoko a Henare IV. I te tau i muri mai i te 1465, i uru ia ki te mea e kiia nei ko te Farce o Ávila i reira he roopu o nga rangatira o Castilian i whakaeke tohu i te ahua o Henry IV me te kii i tana tuakana, a Alfonso o Castile, e mohiotia ana ko "Alfonso the Innocent", hei kingi tika. I huaina te huihuinga ko te "Farce of Avila" e nga kaitohutohu o taua wa, a ko te ingoa kua uru ki te hitori. Mo tana whai waahi ki te "Farce", i whakawhiwhia ia ki te taitara o Constable o Castile