Jacobo Francisco Eduardo Fitz-James Stuart y Colón de Portugal, 3rd Duke of Berwick (28 December 1718 â 30 September 1785) was a Spanish nobleman. On the death of his father, James Fitz-James Stuart, in 1738, he inherited his titles of Duke of Berwick and Duke of Liria and Jérica. He also possessed many other titles in both Spain and England. Through his father, he was descended from King James II of England. His mother was Spanish, and on her side he was a direct descendant of explorer Christopher Columbus. His best-known legacy is building the Liria Palace.
On 26 July 1738, in Alba de Tormes, he married Maria Teresa de Silva y Alvarez de Toledo (6 May 1716 â 5 May 1790), daughter of Manuel Maria de Silva y Mendoza, (born 18 October 1677), 9th Conde de Galve, son of Gregorio MarÃÂa de Silva y Mendoza, 9th Duke of the Infantado, and of the outstandingly wealthy , (18 September 1691 â 1755), 11th Duchess of Alba de Tormes, 8th Duchess of Huéscar, 4th Duchess of Montoro, 6th Duchess of Olivares, 7th , Grandee of Spain, and a number of lesser Spanish noble titles. His wife was a sister of Fernando de Silva, 12th Duke of Alba, prime minister of Spain.
Their only child and son to survive to adulthood was Carlos Bernardo Fitz-James Stuart y de Silva, (Liria, Valencia, 25 March 1752 â Madrid, 7 September 1787).