Peter, Duke of Coimbra
He belonged to the generation that came of age after the war with Castile and the Battle of Aljubarrota. During his life, he knew many of the protagonists of the Castilian crisis, including John I of Portugal, Edward of Portugal, Nuno Álvares Pereira, and Dr. João das Regras. He saw the reign of three monarchs: John I, Edward I, and Afonso V, and he also lived during the regency of Peter, Duke of Coimbra.