Xavier Duke of Aquitaine Royalty
Xavier Marie Joseph de France (8 September 1753 – 22 February 1754) was a fils de France of the House of Bourbon. At birth he was given the title of Duke of Aquitaine by his grandfather, Louis XV of France. He was the third surviving child and the second son of the Dauphin Louis de France and Princess Maria Josepha of Saxony.Xavier was put in the care of Marie Isabelle de Rohan, duchesse de Tallard. He died at the age of five months at Versailles after a fit of convulsions. He was buried at the Basilica of St Denis.