"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 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." - (en.wikipedia.org 02.10.2020)