Whakaotihia te rerenga e whai ake nei: Ko te rohe tuarua o te Duchy o Mantua ko Montferrat me tona pa kaha o Casale Monferrato, ko te mana o te rangatira i whakawehi i a Milan. Ko tōna hiranga i te matenga o te rangatira whakamutunga i roto i te rārangi tika i te Hakihea 1627, i tautokohia e Wīwī me Paniora ngā kerēme whakataetae, i hua ai te 1628 ki te 1631
Te Pakanga o te Whanaungatanga o Mantuan. I tautokohia te Duke o Nevers i whanau mai i Parani e France me te Republic of Venice, ko tana hoa whawhai ko te Duke o Guastalla na Spain, Ferdinand II, Savoy me Tuscany. He nui rawa te pānga o tēnei pakanga iti ki te Pakanga Toru tekau Tau, i te mea i whakaaro a Pope Urban VIII ki te whakawhānui o Habsburg i Itari hei whakawehi ki nga Papal States. Ko te hua ko te wehewehe i te hahi Katorika, te wehe i te Pope i a Ferdinand II, me te whakaae ki a Parani ki te whakamahi i nga hoa Porotetani ki a ia.