Portrait of king ferdinand iv of naples (1751-1825), who was the third son of king charles iii of spain and queen maria amalia of saxony. The young monarch appears wearing the insignia of the order of the golden fleece and the order of saint jannaro. Object Type: painting. Genre: portrait. Date: 1760. Dimensions: height: 179 cm (70.4 in); width: 130 cm (51.1 in). Medium: oil on canvas. Depicted People: Ferdinand I of the Two Sicilies. Collection: Museo del Prado. Ferdinand IV at age nine