Joan of Navarre Regent, also heir presumptive to the throne of Navarre (1402–1413) (1382–1413) Parents Eleanor of Castile, Queen of Navarre Charles III of Navarre Children Siblings Luis of Navarre Beatrice of Navarre, Countess of La Marche Carlo di Navarra Blanche I of Navarre Isabella of Navarre, Countess of Armagnac Godofre de Navarra Lancelot de Navarre Juana bâtarde de Navarre Partners Luis de Beaumont John I, Count of Foix