Member of King Fernando of Portugal Royal Council. [Fernando, ch. 29: 15] King Fernando's Proctor before the King of Aragon in the negotiations and preparation for the war against Enrique II of Castile. Affonso Fernandez de Burgos Chronicle entries in which Alfonso Fernández de Burgos appears: Crónica de D. Fernando, ch. 29: 15Crónica de D. Fernando, ch. 52: 6-7