Joanna of Aragon, Countess of Ampurias Infanta of Aragon (1344–1385) Parents Maria of Navarre Peter IV of Aragon Children John II, Count of Empúries Peter III, Count of Empúries Siblings John I of Aragon Isabella of Aragon Martin of Aragon Constance of Aragon, Queen of Sicily Eleanor of Aragon, Queen of Castile Peter of Aragon Alphonse d'Aragon Partners John I, Count of Empúries