"Charles Gonzaga (Italian: Carlo I Gonzaga) (6 May 1580 – 22 September 1637) was Duke of Mantua and Duke of Montferrat from 1627 until his death. ...
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He was also Charles III Duke of Nevers and Rethel, as well as Prince of Arche and Charleville." - (en.wikipedia.org 12.08.2021)