Leopoldo de' Medici

Leopoldo de' Medici (6 November 1617 – 10 November 1675) was an Italian cardinal, scholar, patron o the arts an Governor of Siena. He was the brother of Ferdinando II de' Medici, Grand Duke of Tuscany. Named in honour of Leopold I, Holy Roman Emperor. In December 1667 Pope Clement IX named him cardinal. /He never married and had no known children.

Titles and styles

 * 6 November 1617 - 12 December 1667 His Highness Prince Leopoldo.
 * 12 December 1667 - 16 November 1675 His Highness Cardinal de' Medici.
 * 16 July 1643 - 1º January 1644 His Highness The Governor of Siena.