James II of Aragon

James II , called the Just , was the King of Sicily from 1285 to 1296 and King of Aragon and Valencia and Count of Barcelona from 1291 to 1327. In 1297 he was granted the Kingdom of Sardinia and Corsica. He used the Latin title Iacobus Dei gracia rex Aragonum, Valencie, Sardinie, et Corsice ac comes Barchinone. He was the second son of Peter III of Aragon and Constance of Sicily.

In addition to his legitimate offspring, James had three natural children born with Sicilian women

Source: Wikipedia