Imaginary portrait of king john i of aragon (1350-1396), who was the son of king peter iv of aragon and queen constance of sicily. Object Type: painting. Date: 1853. Dimensions: height: 212 cm (83.4 in); width: 124 cm (48.8 in). Medium: oil on canvas. Collection: Provincial Deputation of Zaragoza. Chuan I d'Aragón