Grand Duchy of Tuscany

He was governor of the regency council of the Grand Duchy of Tuscany for Grand Duke Francesco, later Francis I, Holy Roman Emperor, who had been declared successor of the last Medici ruler in the Treaty of Vienna. He administrated for this prince from 1737 to 1754, with the title of viceroy.

Titles

Having inherited the marquisate of Beauvau in Lorraine, he was created marquis of Craon on 21 August 1712 by Louis XIV of France.

On 13 November 1722 he became an honorary Prince of the Holy Roman Empire under the title "Prince von Craon".

On 8 May 1727 he was made a Grandee of Spain of the first class by Philip V, his son, Charles Juste, being admitted to the Honneurs de la Cour in Paris with the princely title in 1755.^[3]

Issue

The eight sons and 12 daughters are:

1. Élisabeth Charlotte de Beauvau (1705–1754), married Charles Ferdinand François de La Baume, Marquis of Saint-Martin, no issue.
2. Anne Marguerite Gabrielle de Beauvau (1707–1792),^[4] married Jacques Henri of Lorraine, Prince of Mortagne(-sur-Gironde), no issue ; married Gaston Pierre Charles de Lévis, Duke of Mirepoix, no issue.
3. Gabrielle Françoise de Beauvau (1708–1758), married Gabriel Alexandre d'Alsace de Henin-Liétard, Prince of Chimay, no issue.
4. Marie Philippe Tècle de Beauvau (1709–1748), Canoness of Remiremont.
5. Nicolas Simon Jude de Beauvau (1710–1734), Abbé de Craon, never married.
6. Marie Françoise de Beauvau (1711–1787), married Louis François de Boufflers, Marquis of Amestranges, no issue.
7. François Vincent Marc de Beauvau (1713–1742), Primat de Lorraine, never married.
8. Léopold Clément de Beauvau (1714–1723), knight of the Order of Malta.
9. Marie Louise Eugénie de Beauvau (1715–1734), Abbess of Epinal.
10. Henriette Augustine de Beauvau (1716-?), nun in the Order of the Visitation of Holy Mary.
11. Charlotte Nicole de Beauvau (1717–1787), married Léopold Clément de Bassompierre, no issue.
12. Anne Marguerite de Beauvau (1719-?), nun in Paris.
13. Charles Juste de Beauvau (1720–1793), married Marie Sophie Charlotte de La Tour d'Auvergne daughter of Emmanuel Theodose de La Tour d'Auvergne, sovereign Duke of Bouillon and Louise Henriette Francoise de Lorraine and had issue; married Marie Charlotte Sylvie de Rohan, no issue.
14. Elisabeth de Beauvau (1722-?), Canoness in Poussy, then a nun in Paris.
15. Ferdinand Jerôme de Beauvau, Marquis of Haroué (1723–1790), married Louise Etienne Desmier and had issue.
16. Gabrielle Charlotte de Beauvau (1724–1790), Canoness in Remiremont, nun in Juvigny, last abbess of Saint-Antoine-des-Champs in Paris.
17. Alexandre Louis de Beauvau, Marquis de Craon (1725–1745), killed in action at the Battle of Fontenoy.
18. Béatrix Alexis de Beauvau (1727–1730).
19. Hilarion François Louis de Beauvau (b. and d. 1728).
20. Antoine de Beauvau (1730–1736).