John I of Aragon King of Aragon (1350–1396) Parents Eleanor of Sicily Peter IV of Aragon Children Yolanda de Aragon Joanna of Aragon, Countess of Foix Siblings Joanna of Aragon, Countess of Ampurias Eleanor of Aragon, Queen of Castile Constance of Aragon, Queen of Sicily Martin of Aragon Isabella of Aragon Peter of Aragon Alphonse d'Aragon Partners Martha of Armagnac Violant of Bar
