Ka cika wannan jumla: Sa'ad da Ferdinando ya mutu a shekara ta 1626, ɗan'uwansa Vincenzo II (1594<unk>1627), wanda shi ma kardinal ne, ya gāje shi a matsayin Duke na Mantua da Montferrat. Duk da yin aure, bayan da Ferdinando ya yi murabus da kuma korar Vincenzo daga Kwalejin Cardinals (saboda keta dokar rashin aure), ba su haifi 'ya'ya na halal ba. Wani sabon rikici ya ɓarke lokacin da Vincenzo II ya mutu a ranar 26 ga Disamba, 1627, wanda ya kai ga
Yaƙin Nasara na Mantuan (1627<unk>1632).