- This article is on the first Duke of Florence. For the Alessandro de' Medici who was pope, see Pope Leo XI.
Alessandro de' Medici (July 22, 1510 – January 6, 1537) called
"il Moro" ("the
Moor"),
Duke of
Penne and also
Duke of Florence (from 1532), was ruler of
Florence from 1530 until 1537. Though illegitimate, he was the last member of the "senior" branch of the
Medici to rule Florence and the first to be a hereditary duke.