Please answer the following question: Information: - 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 '' ) . He was the first king of Aragon to be crowned by the pope . In the first decade of the thirteenth century he commissioned the Liber feudorum Ceritaniae , an illustrated codex cartulary for the counties of Cerdagne , Conflent , and Roussillon . On June 15 , 1204 he married ( as her third husband ) Marie of Montpellier , daughter and heiress of William VIII of Montpellier by Eudocia Comnena . She gave him a son , James , but Peter soon repudiated her . Marie was popularly venerated as a saint for her piety and marital suffering , but was never canonized ; she died in Rome in 1213 . He participated in the Battle of Las Navas de Tolosa in 1212 that marked the turning point of Arab domination on the Iberian peninsula . The Crown of Aragon was widespread in the area that is now southernwestern France , but which at that time was under the control of vassal local princes , such as the Counts of Toulouse . The Cathars or Albingenses rejected the authority and the teachings of the Catholic Church . Innocent called upon Louis VIII of France to suppress the Albigenses . Under the leadership of Simon of Montfort a campaign was launched . The Albigensian Crusade , begun in 1209 , led to the slaughter of approximately 20,000 men , women and children , Cathar and Catholic alike . Over the course of twenty years military campaigns essentially destroyed the previously flourishing civilization of Occitania and by 1229 brought the region firmly under the control of the King of France , and the Capetian dynasty from the north of France . Peter returned from Las Navas in autumn 1212 to find that Simon de Montfort had conquered Toulouse , exiling... - The Ebro (Spanish and Basque: ) or Ebre is one of the most important rivers on the Iberian Peninsula. It is the second longest river in the Iberian peninsula after the Tagus and the second biggest by discharge volume and by drainage area after the Duero. - Catalonia is an autonomous community of Spain, located on the northeastern extremity of the Iberian Peninsula. It is designated as a "nationality" by its Statute of Autonomy. Catalonia consists of four provinces: Barcelona, Girona, Lleida, and Tarragona. The capital and largest city is Barcelona, the second-most populated municipality in Spain and the core of the seventh-most populous urban area in the European Union. - Barcelona is the capital city of the autonomous community of Catalonia in the Kingdom of Spain, as well as the country's second most populous municipality, with a population of 1.6 million within city limits. Its urban area extends beyond the administrative city limits with a population of around 4.7 million people, being the sixth-most populous urban area in the European Union after Paris, London, Madrid, the Ruhr area and Milan. It is the largest metropolis on the Mediterranean Sea, located on the coast between the mouths of the rivers Llobregat and Besos, and bounded to the west by the Serra de Collserola mountain range, the tallest peak of which is high. - The County of Barcelona was originally a frontier region under the rule of the Carolingian dynasty. By the end of the 10th century, the Counts of Barcelona were "de facto" independent, hereditary rulers in constant warfare with the Islamic caliphate of Cordoba and its successor states. The counts, through marriage alliances and treaties, acquired the other Catalan counties and extended their influence along Occitania. Barcelona formed the nucleus of the emergent Principality of Catalonia. In 1164, the count of Barcelona, Alfons I, inherited the Kingdom of Aragon (as Alfonso II). Thenceforward, the history of the county of Barcelona is subsumed within that of the Crown of Aragon, but the city of Barcelona remained preeminent within it. - The Count of Barcelona was the ruler of Catalonia for much of Catalan history, from the 9th until the 15th century. The County of Barcelona was created by Charlemagne after he had conquered lands north of the river Ebro. These lands, called the "Marca Hispanica", were partitioned into various counties, of which the Count of Barcelona, usually holding other counties simultaneously, eventually obtained the primacy over the region. - The Marca Hispanica (, Aragonese and , ), also known as Spanish March or March of Barcelona was a buffer zone beyond the former province of Septimania, created by Charlemagne in 795 as a defensive barrier between the Umayyad Moors of Al-Andalus and the Frankish Carolingian Empire (Duchy of Gascony, the Duchy of Aquitaine and Carolingian Septimania). What is the relationship between 'peter ii of aragon' and 'spanish'?
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