Peter II the Catholic (July 1178 – 12 September 1213) was the King of Aragon and Count of Barcelona from 1196 to 1213.He was born in Huesca, the son of Alfonso II of Aragon and Sancha of Castile. In 1205 he acknowledged the feudal supremacy of the papacy and was crowned in Rome by Pope Innocent III, swearing to defend the Catholic faith (hence his surname, "the Catholic").