Cika wannan jumla:
Yaƙe-yaƙe na Nasara na Monferrato (1628 <unk> 1631) sun kasance masu zub da jini sosai a karkara kuma sun sanya Casale Monferrato cikin dogon kewaye (1629). Ci gaban makamai da siyasa ya shafi tattalin arziki da tarihin gaba, ya kara tsananta mawuyacin halin da ake ciki bayan mutuwar Victor Amadeus I a 1637. An gaje shi na ɗan gajeren lokaci ta babban ɗansa mai rai, ɗan Francis Hyacinth mai shekaru 5. Matsayin mai mulki ga ɗa na gaba, Carlo Emanuele II, shi ma ya tafi wurin mahaifiyarsa Christine Marie na Faransa, wanda mabiyanta suka zama sanannun "madamisti" (masu goyon bayan "Madama Reale"). Saboda wannan, Savoy ya zama jihar tauraron dan adam na ɗan'uwan mai mulki, Sarki Louis XIII na Faransa. Magoya bayan Cardinal Prince Maurice na Savoy da Thomas Francis, Yariman Carignano (dukansu 'ya'yan Charles Emmanuel I), tare da mabiyan su, sun ɗauki sunan "principisti" (magoya bayan Sarakuna).