Ferdinand I of Portugal
King Ferdinand I of Portugal died on 22 October 1383. Leonor Teles, his widow, in accordance with the Treaty of Salvaterra and the testament of the deceased monarch, assumed the regency and government of the Kingdom in the name of her daughter. The regent maintained her clique of Castilian Petrists, which strengthened an opposition faction that demanded that the Council of the regent only included councilors of Portuguese origin.