"Don Pedro I, King of Castile" . "Pedro I de Castilla" . "King Peter of Castile" . . "Peter the Cruel King of Castile and Leon" . . . . . . "Pedro the Cruel" . . . "Peter (Pedro)" . "Peter,
King of Castile" . . . "D. Pedro" . . "Pedro I \\\"the Cruel\\\"" . . "Peter I the Cruel" . "Peter" . "Peter I" . "King Peter the Cruel" . "Peter of Castile" . "Prince Pedro" . . . . . "Peter the Cruel of Castile" . "Pedro I of Castile" . . "King Peter" . "Pedro the Cruel of Navarre" . "Peter
" . . "Peter I of Castile" . . "Pedro I" . "Pedro" . . "Peter (Pedro) I" . . . "Peter I the Cruel or the Lawful" . . . . "Peter of Castile" . "Peter the Cruel" . "Pedro I \\\"the Cruel\\\" of Castile" . . "King Pedro I" . . . . . . . . . "King Peter the Just" . . "Pedro of Castile" . . . "King Peter I" . . . . "Peter, King of Castile" . . . . . "Pedro, king of Castile" . . . "Peter I of Castille" . . . "Peter of Castile the Cruel" . "Don Pedro" . . .