John of Foix, Viscount of Narbonne Prince of Navarre (1450–1500) Parents Leonor I of Navarre Gaston IV of Foix Children Gaston of Foix, Duke of Nemours Germaine of Foix Siblings Joan of Foix, Countess of Armagnac Marie de Foix Pierre de Foix, le jeune Gaston of Foix, Prince of Viana Margaret of Foix Catherine of Foix, Countess of Candale Giacomo di Foix Jeanne (Isabeau) bâtarde de Bearn Partners Marie of Orléans, Viscountess of Narbonne