Agnès de Navarre French noblewoman (1337–1397) Parents Joan II of Navarre Philip III of Navarre Children Gaston of Foix-Béarn Siblings Louis, Duke of Durazzo Charles II of Navarre Jeanne de Navarre Blanche of Navarre, Queen of France Philip, Count of Longueville Maria of Navarre Jeanne de Navarre Partners Gaston III, Count of Foix