
Ramon Berenguer IV married Petronila of Aragón, in 1137 which established the dynastic union with Aragón. On his death, their son Alfonso II succeeded to both thrones, uniting Barcelona and Aragon within the Crown of Aragon.
Ramon Berenguer IV married Petronila of Aragón, in 1137 which established the dynastic union with Aragón. On his death, their son Alfonso II succeeded to both thrones, uniting Barcelona and Aragon within the Crown of Aragon.