The officially stated Swedish motives were: Exclusion of Sweden from the Treaty of Lübeck (1629), Imperial support for Poland in the Polish–Swedish War (1626–1629), Liberation of German Protestantism, Restitution of German liberty.
Motif Swedia dinyatakan secara resmi yang terdiri dari: Pengecualian Swedia dari Traktat Lübeck (1629), Dukungan Imperial bagi Polandia dalam Perang Polandia-Swedia (1626-1629), Pembebasan Protestantisme di Jerman, Restitusi kebebasan Jerman.