The mother of the girl featured in the Portrait of Marianna of Austria was born in which year?
Portrait of Mariana of Austria:  Mariana, then nineteen years old, was the daughter of Emperor Ferdinand III and the Infanta Maria, and as the second wife of Philip IV became Queen consort of Spain. Maria Anna of Spain: Maria Anna of Spain (18 August 1606 – 13 May 1646), was by birth Infanta of Spain and by marriage Holy Roman Empress and Queen of Hungary and Bohemia as the wife of Ferdinand III, Holy Roman Emperor.
1606