Don Luis María Cardinal de Borbón y Vallabriga, Farnesio y Rozas (Cadalso de los Vidrios, 22 May 1777 – Madrid, 19 March 1823), son of a morganatic marriage of Luis de Borbón y Farnesio, Infante of Spain and 13th Count of Chinchón, and wife María Teresa de Vallabriga y Rozas, Español y Drummond, was the 14th Count of Chinchón (1785–1803), Grandee of Spain First Class (4 August 1799), with a coat of arms of Bourbon, and 1st Marqués de San Martín de la Vega.
Until King Charles III of Spain died in 1788, this Borbón offspring was compelled not to use the family name and since 1785 when his father Luis, the king's brother, died, they had to move to the city of Toledo to be educated under the protection of the Archbishop of Toledo Francisco Antonio de Lorenzana y Butrón (León, 22 September 1722 – Rome, 17 April 1804, aged 82), notorious cardinal, historian and "illustrated" Spaniard.
He was Cavaliere dell'insigne Reale ordini di San-Gennaro in 1793, Knight of the order of Carlos III in 1793, Archbishop of Seville (26 May 1799 – 19 May 1814), Archbishop of Toledo (22 December 1799 – 18 March 1823), and Primate of Spain in 1800 and Cardinal-Priest of Santa Maria della Scala (pro hace vice to title) on October 20, 1800. He was not present in Rome at the time and the red hat, biretta and ring were sent to him.