Married 6 FEB 1221, Agreda Divorce 1229 to , Leonor of Castile

Child 1: , Alfonso of Aragon, Infante of Aragon

Like his grandfather, ascended to the crown at the age of five. It was run by a regency until he came of age; and his uncle Sanc, Count of Provence, managed the finances and paid off his father's debts. He later became known for leading military campaigns that captured Majorca and the other Balearic islands, as well as Valencia, from the Moors.

Father: , Pedro II the Catholic of Aragón, King of Aragón

Mother: , Maria of Montpellier