Sawijining cabang kadet saka Gonzagas Mantua dadi adipati Nevers lan Rethel ing Prancis nalika Luigi (Louis) Gonzaga, putra enom saka Federico II Gonzaga, Adipati Mantua, lan Margherita Paleologa, omah-omah karo ahli waris. Kulawarga Gonzaga-Nevers mengko mrentah maneh Mantua nalika putra Louis Charles (Carlo) marisi Mantua lan Montferrat, nyebabake Perang Suksesi Mantua
. lan