Compléter PETRONILLA OF ARAGONVersion en ligne Brief history of Petronilla of Aragon and how she became a key historical figure uniting kingdom of Aragon and catalan counties into the Crown of Aragon. par Alfonso Poza 1 throne bishop Barcelona Monk children marriage heir crown betrothed senior wedding Petronilla of Aragon , her father , Ramiro , was when his brother , Alfonso I , died without an in 1134 , and left the to the three religious military orders . His decision was not respected : the nobility of Aragon raised Ramiro to the . King Ramiro the , as he is known , married Agnes of Aquitaine in 1135 ; their only child , Petronilla , was born the next year . . When she was just a little over one year old , Petronilla was on 11 August 1137 to Raymond Berengar IV , Count of , who was twenty - three years her . In August 1150 , when Petronilla was fourteen , the betrothal was ratified at a ceremony was held . Petronilla consummated her to Ramon Berenguer in the early part of 1151 , when she reached the age of 15 . The marriage produced five .