 Orlando d'Aragona

Orlando (or Roland) (1296–1361) was the second-eldest illegitimate son of Frederick II of Sicily by his concubine Sibilla di Sormella.During his father's reign, he lived in the shadows, but he rose to influence in the courts of his half-brother Peter II and his nephews, Louis and Frederick IV, especially as the leader of the Catalan party after the death of his brother Giovanni of Randazzo.