Maria de' Medici was the eldest child of Cosimo I de' Medici, Grand Duke of Tuscany and Eleonora di Toledo. She was a member of the famous Medici family. Wikipedia
Born: April 3, 1540
Died: November 19, 1557 (age 17 years), Livorno, Italy
Parents: Cosimo I de' Medici and Eleanor of Toledo
Great-grandparents: Lucrezia de' Medici, Caterina Sforza, Giovanni il Popolano, and more
Grandparents: Maria Salviati, Giovanni delle Bande Nere, Pedro de Toledo y Zúñiga, and more