Kuka naimisissa Alfonso III d'Este, Duke of Modena?

Alfonso III d'Este (22 October 1591 – 24 May 1644) was Duke of Modena and Reggio from 1628 to 1629. He was the husband of Princess Isabella of Savoy, daughter of Charles Emmanuel I, Duke of Savoy and his wife Infanta Catherine Michelle of Spain.

Isabella of Savoy (2 March 1591 – 28 August 1626) was the daughter of Charles Emmanuel I, Duke of Savoy, and Catherine Michelle of Spain. Her maternal grandparents were Philip II of Spain and Elisabeth of Valois, and her paternal grandparents were Emmanuel Philibert, Duke of Savoy, and Margaret of France, Duchess of Berry. She was a Hereditary Princess of Modena who died before her husband became Duke of Modena in 1628.