 He then had a daughter, Petronilla, whom he had marry Count Ramon Berenguer IV of Barcelona, unifying Aragon and Barcelona into the Crown of Aragon.Ramiro was the youngest son of Sancho Ramírez, king of Aragon and Navarre, and Felicia of Roucy.Sancho placed Ramiro as a child into the Benedictine monastery of Saint Pons de Thomières in the Viscounty of Béziers.