Margaret of Savoy, Vicereine of Portugal

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Margaret of Savoy
Margaret of Savoy, Duchess consort of Mantua and Montferrat (oil by Frans Pourbus)
Duchess consort of Mantua and Montferrat
Tenure	9 February 1612 – 22 December 1612
Vicereine of Portugal
Tenure	23 December 1634 – 1 December 1640
Sovereign	Philip IV
Predecessor	Diogo de Castro
Born	(1589-04-28)28 April 1589 Turin, Duchy of Savoy
Died	26 June 1655(1655-06-26) (aged 66) Miranda de Ebro, Kingdom of Spain
Burial	Abbey of Santa María la Real de Las Huelgas, Burgos
Spouse	Francis IV, Duke of Mantua ​ ​ (m. 1608; died 1612)​
Issue	Maria Gonzaga, Duchess of Montferrat
House	Savoy
Father	Charles Emmanuel I, Duke of Savoy
Mother	Catherine Micaela of Spain

Margaret of Savoy (28 April 1589 – 26 June 1655) was the last Habsburg Vicereine of Portugal from 1634 to 1640. In Portuguese she is known as Duquesa de Mântua, being by marriage the Duchess of Mantua and Montferrat. She was also regent of Montferrat during the minority of her daughter from 1612.