"Eleonora Luisa Gonzaga (13 November 1686 – 16 March 1741) was the Duchess of Rovere and Montefeltro as the wife of Francesco Maria de´ Medici. She ...
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was the eldest child of Vincenzo Gonzaga, Duke of Guastalla and Sabbioneta and his second wife, Maria Vittoria Gonzaga. She did not bear any children." - (Wikipedia (en) 02.10.2020)