Alfonso III d'Este

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Alfonso III d'Este
Duke of Modena and Reggio
Reign	11 December 1628 – 24 July 1629
Predecessor	Cesare d'Este
Successor	Francesco I d'Este
Born	(1591-10-22)22 October 1591 Ferrara, Duchy of Ferrara
Died	24 May 1644(1644-05-24) (aged 52) Castelnuovo di Garfagnana
Spouse	Isabella of Savoy ​ ​ (m. 1608; died 1626)​
Issue	Margherita, Duchess of Guastalla Francesco, Duke of Modena Anna Beatrice, Duchess of Mirandola Cardinal Obizzo Cardinal Rinaldo
House	Este
Father	Cesare d'Este, Duke of Modena
Mother	Virginia de' Medici
Religion	Roman Catholicism

Alfonso III d'Este (22 October 1591 – 24 May 1644) was Duke of Modena and Reggio from 1628 to 1629.^[1] 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.