Isabella of Aragon Infanta of Aragon, Countess of Urgell (1380–1424) Parents Sibila of Fortia Peter IV of Aragon Children Elionor d'Urgell Joana d'Urgell Isabella of Urgell, Duchess of Coimbra Siblings Joanna of Aragon, Countess of Ampurias Eleanor of Aragon, Queen of Castile Constance of Aragon, Queen of Sicily Martin of Aragon John I of Aragon Peter of Aragon Alphonse d'Aragon Partners James II, Count of Urgell
