Background
He was the son of Pedro de Toledo Osorio, 5th Marquis of Villafranca, and Elvira de Mendoza.
Diplomat military general officer
He was the son of Pedro de Toledo Osorio, 5th Marquis of Villafranca, and Elvira de Mendoza.
As a child he was already Trece (thirteen) in the Order of Santiago, Prince of Montalbano and Duke of Fernandina. He joined the navy in 1606 on a galley under the command of his father and in 1623 became Captain General of the Galleys of Spain. He was Captain General of the Council of State and Council of War of King Philip IV of Spain, becoming one of his most trusted mentor
Count-Duke of Olivares deposed him from office and locked him up in the castle of Villaviciosa de Odon.
After the fall of Olivares, Garcia was reinstated in all his functions and he was given 400,000 ducats as a compensation for having been punished unjustly. They had no children.