Cosimo III de' Medici, Grand Duke of Tuscany

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Cosimo III
Official portrait of Grand Duke Cosimo III.
Grand Duke o Tuscany
Reign 23 May 1670 – 31 October 1723
Predecessor Ferdinando II
Successor Gian Gastone
Born 14 August 1642
Palazzo Pitti, Florence, Tuscany
Died Palazzo Pitti, Florence, Tuscany
Died 31 October 1723(1723-10-31) (aged 81)
Consort Marguerite Louise d'Orléans
Issue Ferdinando, Grand Prince of Tuscany
Anna Maria Luisa, Electress Palatine
Gian Gastone, Grand Duke of Tuscany
Full name
Cosimo de' Medici
House House of Medici
Father Grand Duke Ferdinando II
Mother Vittoria della Rovere
Burial Basilica of San Lorenzo, Tuscany
Religion Roman Catholic




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[edit]

  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[edit]

  • 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[edit]

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