- The first Count of Denia, was Alfonso, Prince Pero de Ribagorza's eldest son, and Pedro IV of Aragon's cousin. See: Julia Campón Gonzalvo, 'Consequencias de la guerra de los Pedros en el condado de Denia', consulted on 3-28-2013: http://rua.ua.es/dspace/bitstream/10045/6980/1/HM_08_03.pdf
- The medieval county of Denia was established by Pedro IV of Aragon in 1355 to compensate the loyal services of his uncle, Prince Pedro de Ribagorza.
- Alfonso, Count of Denia, joins Enrique Count of Trastámara against Pedro of Castile (1366). [Pedro, ch. 36: 13-15]