Ferdinando I de' Medici, Grand Duke of Tuscany

Ferdinando I de' Medici, Grand Duke of Tuscany (30 July 1549 – 3 February 1609) was Grand Duke of Tuscany from 1587 to 1609. He succeeded his older brother Francesco I.
Ferdinando was the fifth son of Cosimo I de' Medici, Grand Duke of Tuscany and Eleonora di Toledo. 
He was a Cardinal before he became Grand Duke, until he married Christine of Lorraine in 1589. He was succeeded by his eldest son, who reigned as Cosimo II. His wife and daughter-in-law Maria Maddalena of Austria acted as regents for Cosimo II.