* Ferdinando I de ' Medici, Grand Duke of Tuscany ( 1549 – 1609 ), grand duke in 1587
* Ferdinando I de ' Medici, Grand Duke of Tuscany ( 1549 – 1609, grand-duke from 1604 )
* Ferdinando I de ' Medici, Grand Duke of Tuscany, ( 1549 – 1609 ), Grand Duke of Tuscany 1587 – 1609
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