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A Spanish poet; born at Carrion de los Condes, Aug. 19, 1398; died at Guadalajara, March 25, 1458. He was made marquis for his services in the Moorish wars. He had much to do with the reform of Castilian poetry by subjecting it to the laws of the Italian classic school, and of the later Catalan-Provencal school of the court poets. In the Italian-classic style are his "Proverbs" or "Hundred Adages", a collection of 100 proverbs in 8-verse strophes; and the "Dialogue of Bias against Fortune". His allegorical poem in dialogue form, the "Comediette of Ponza", after the manner of Dante, had an influence on the development of the Spanish drama. Besides poems, he wrote for the Constable of Portugal, Dom Pedro, a memoir which is of great value for the history of ancient Spanish poetry.