Cosimo I de’ Medici (Grand Duke of Tuscany, 1519-74)

Cosimo I de’ Medici (June 1519 –  April 1574) was the second Duke of Florence from 1537 until 1569, when he became the first Grand Duke of Tuscany.

Father:  Giovanni dalle Bande Nere
Mother:  Maria Salivate
Spouse(s): Eleanor of Toledo, Camilla Martelli

• Francesco de’ Rossi (Il Salviati)
• Rocca di Radicofani (Fortress of Radicofani)
• Ferdinando I de’ Medici (Grand Duke of Tuscany, 1549 – 1609)
• Sunday 23 October 1644

• Wikipedia article on Cosimo I de’ Medici 

• Wikipedia for background, portrait.