Catherine de Genève princess of Achaea, lady of Piedmont (d. 1407) Parents Mathilde d'Auvergne Amadeus III of Geneva Children Mathilde van Savoye Blessed Margaret of Savoy Siblings Blanche of Geneva Amadeus IV of Geneva John of Geneva Clement VII Aymon III of Geneva Peter of Geneva Yolanda of Geneva Marie de Genève Jeanne de Genève Partners Amadeus, Prince of Achaea