Cosimo III de' Medici, Grand Duke of Tuscany

Cosimo III de' Medici, Grand Duke of Tuscany (14 August 1642 – 31 October 1723) was the penultimate Grand Duke f Tuscany. He reigned from 1670 till 1723. He was a member of the House of Medici he married Marguerite Louise d'Orléans, a first cousin of King Louis XIV of France.

Children

 * 1) Ferdinando de' Medici, Grand Prince of Tuscany (9 August 1663 – 31 October 1713) married Violante Beatrice of Bavaria but had no children.
 * 2) Anna Maria Luisa de' Medici (11 August 1667 – 18 February 1743) married Johann Wilhelm, Elector Palatine but had no children.
 * 3) Gian Gastone de' Medici, Grand Duke of Tuscany (24 May 1671 – 9 July 1737) married Anna Maria Franziska of Saxe-Lauenburg but had no children.

Titles and styles

 * 14 August 1642 – 23 May 1670 His Highness The Grand Prince of Tuscany.
 * 23 May 1670 – 5 February 1691 His Highness The Grand Duke of Tuscany.
 * 5 February 1691 – 31 October 1723 His Royal Highness The Most Serene Grand Duke of Tuscany.

Honours

 * Grand Master of the Holy Military Order of Saint Stephen Pope and Martyr (Tuscany)