Cosimo I de' Medici
Grand Duke of Tuscany
Cosimo I de' Medici was the second duke of Florence from 1537 until 1569, when he became the first grand duke of Tuscany, a title he held until his death. Wikipedia
Born: June 12, 1519, Florence, Italy
Died: April 21, 1574 (age 54 years), Florence, Italy
Parents: Maria Salviati and Giovanni delle Bande Nere
Spouse: Camilla Martelli (m. 1570–1574) and Eleanor of Toledo (m. 1539–1562)
Grandchildren: Marie de' Medici, Cosimo II de' Medici, Eleanor de' Medici, and more