Amadeus VIII of Savoy antipope 1439 to 1449, count of Savoy (1383–1451) Parents Bonne of Berry Amadeus VII, Count of Savoy Children Bonne of Savoy Amadeus di Savoia, Prince of Piedmonte Philip of Savoy, Count of Geneva Anthony di Savoia Louis I, Duke of Savoy Anthony di Savoia Marie of Savoy, Duchess of Milan Margaret di Savoia Margaret of Savoy, Duchess of Anjou Siblings Mary of Armagnac Beatrix of Armagnac Jeanne of Armagnac Bona di Savoia Bernard d'Armagnac, Count of Pardiac John IV, Count of Armagnac Bonne of Armagnac Joan of Savoy Anne of Armagnac Humbert de Savoie Partners Mary of Burgundy