Qui a épousé Francesco Maria de' Medici, Duke of Rovere and Montefeltro?

Francesco Maria de' Medici (12 November 1660 – 3 February 1711) was a member of the House of Medici. He was successively a Governor of Siena, and later the heir of the duchy of Montefeltro by right of his mother. He was also a cardinal of the Catholic Church from the years of 1660 until 1709, participating in the papal conclaves of 1689, 1691, and 1700.

Éléonore-Louise de Gonzague de Guastalla (Guastalla, 13 novembre 1686 – Padoue, 16 mars 1741) est né du second mariage du prince Vincent Ier de Guastalla, duc de Guastalla et Sabbioneta, avec sa cousine Marie-Victoire de Guastalla.