The first to give protection to the Aragonese King Ramiro, was Pedro Rovira, a master orders of Zion and the Temple, who incidentally preceded Arnau de Torroja in the post of master of Provence and all Hispanic lands (1143). Maestre Provincial in the Catalano-Aragonese Crown charges from 1159 were on: Hugo de Barcelona, succeeding Geoffrey Hughes in 1163. In 1166 he was appointed Arnau de Torroja, being in the next two years the Aragonese Knights Templar definitely participating in the conquest of the Mediterranean coast, as in Caspe and Alfambra, Castle is at 1170 would be donated them. Greatest benefit represented them the granting of his independence from any other jurisdiction political-religious except the Supreme Pontiff of Rome (1172). In 1176 the Aragonese and Castilian Templars also collaborate in the conquest of Cuenca.En 1181, when Arnau de Torroja was appointed Grand Master, residing in Palestine, the provincial of Catalonia/Aragon was Berenguer de Avignon.
Two years later they were respectively guy of Sellon and Ramon de Canet and in 1185 was Guilabert Errall. Master of province: MANDATOPere Rovira Nov. duration 1143 to January 1158Hug of Barcelona from 1159 to April 1162 Geoffrey Hughes, may 1163 to Torroja Oct. 1166Arnau 1166 to March 1181Berenguer April 1181 Avinyo to Sellon April 1183Guido March to June Canet Nov. 1183ramon 1183 a.
July 1185 Pedro Rovira was the first who took the nickname of provincial master of the order of the West. Logically Arnau, to succeed him, continued on the same line of protecting the Earl catalano-Aragonese when I needed it, and probably did more than Rovira, Ramon Berenguer IV being its natural ruler. When the King Ramiro de Aragon decided to consolidate his friendship with the courts of Barcelona and the Languedoc (1139), King of Castile, seeing that the Aragonese had signed the Concorde with Ramon Berenguer III, he left so resentful Zaragoza, who a year later still signed as King of Zaragoza to offend as it were to the count of Barcelona.