Mezue ahịrịokwu na-esonụ:
Agha nke Mantuan Succession mgbe, dị ka onye dị anya Gonzaga nwa nwanne nna, ọ na-ekwu na Duchy nke Mantua mgbe mkpochapu nke okenye nwoke alaka nke House of Gonzaga na December 1627. Ọ bụ Emperor Ferdinand nke Abụọ nke Habsburg kwadoro ya, onye n'ezie na-achọ ịjikọghachi Duchy nke Mantua na Alaeze Ukwu Rom. Mgbalị ya kụrụ afọ n'ala dịka onye France bụ Charles nke Nevers ghọrọ Duke ọhụrụ.