Original: Gian Gastone de 'Medici (Giovanni Battista Gastone; 24 May 1671 - 9 July 1737) was the seventh and last Medicean Grand Duke of Tuscany.
Simplified: Gian Gastone de 'Medici (24 May 1671 â "9 July 1737) was the last Medici Grand Duke of Tuscany.