Family Tree of Cosimo I de' Medici
Open Family TreeBelow we've gathered some frequently asked questions about Cosimo I de' Medici along with detailed information on how they are related to all the people on the Medicis family tree.
Where was Cosimo I de' Medici born?
Cosimo I de' Medici was born in Florence, Tuscany, Italy. Located on the Arno River near Prato and Siena.
When was Cosimo I de' Medici born?
Cosimo I de' Medici was born on Thu Jun 12 1519 (about 507 years ago)
Where did Cosimo I de' Medici die?
Cosimo I de' Medici died in Poggibonsi, Tuscany, Italy. Located between Florence and Siena.
When did Cosimo I de' Medici die?
Cosimo I de' Medici died on Sun Apr 21 1574 (about 452 years ago)
What is a short biography of Cosimo I de' Medici?
Cosimo I de' Medici became the first Grand Duke of Tuscany in 1569, uniting the fractured Italian city-states under Medici control. A skilled statesman and military leader, he expanded Medici territory, founded the Uffizi Gallery, patronized Benvenuto Cellini and Giorgio Vasari, and established the Medici as hereditary princes. He transformed Florence from a republic into an absolute duchy.
What is Cosimo I de' Medici's occupation?
First Grand Duke of Tuscany, Duke of Florence.
What are the links for Cosimo I de' Medici?
https://en.wikipedia.org/wiki/Cosimo_I_de%27_Medici,_Grand_Duke_of_Tuscany
Who are the parents of Cosimo I de' Medici?
Cosimo I de' Medici parents include Giovanni de' Medici (1498-04-06 - 1526-11-30), Maria Salviati (1499-06-17 - 1543-12-20)
Who are the spouses of Cosimo I de' Medici?
Cosimo I de' Medici spouses include Eleonora di Toledo (1522-06-01 - 1562-12-17)
Who are the children of Cosimo I de' Medici?
Cosimo I de' Medici children include Francesco I de' Medici (1541-03-25 - 1587-10-19), Ferdinand I de' Medici (1549-07-30 - 1609-02-07)
Who are the second cousins of Cosimo I de' Medici?
Cosimo I de' Medici second cousins include Catherine de' Medici (1519-04-13 - 1589-01-05)
Who are the grandparents of Cosimo I de' Medici?
Cosimo I de' Medici grandparents include Lucrezia de' Medici (1470-08-04 - 1553-05-13), Jacopo Salviati (1461 - 1533-11-01)
Who are the great-grandparents of Cosimo I de' Medici?
Cosimo I de' Medici great-grandparents include Lorenzo de' Medici (1449 - 1492-04-08), Clarice Orsini (1453 - 1488-07-30)
Who are the great-great-grandparents of Cosimo I de' Medici?
Cosimo I de' Medici great-great-grandparents include Piero de' Medici (1416-02-09 - 1469-12-02), Lucrezia Tornabuoni (1427 - 1482-03-25)
Who are the great-great-great-grandparents of Cosimo I de' Medici?
Cosimo I de' Medici great-great-great-grandparents include Cosimo de' Medici (1389-09-27 - 1464-08-01), Contessina de' Bardi (1390 - 1473)
Who are the great-great-great-great-grandparents of Cosimo I de' Medici?
Cosimo I de' Medici great-great-great-great-grandparents include Giovanni di Bicci de' Medici (1360 - 1429-02-20), Piccarda Bueri (1368 - 1433)
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Updated: Mon Jun 29 2026
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