thumb|left|180px|alt=Gustavus Adolphus in a red coat called delia, from 1631 or 1632|Gustavus Adolphus of Sweden in a Polish costume, 1631–1632. A lifelong enemy of Sigismund, he attempted to take Ducal Prussia and Livonia.
thumb|left|180px|alt=Gustavus Adolphus in a red coat called delia, from 1631 or 1632|Gustavus Adolphus of Sweden in a Polish costume, 1631–1632. A lifelong enemy of Sigismund he attempted to take Ducal Prussia and Livonia.