 The blazon is of the Cardinal-Infante Luis Antonio of Bourbon, son of Philip V, first Bourbon replacing the Habsburg dynasty.This courtyard is closed at south by a cast iron grille, made in Belgium in the 19th century.In the east wing, where was the "Hall of Councils", was done in the 19th century a major restoration in its exterior and interior by Juan José Urquijo y Manuel Laredo, following the Neo-Mudéjar style.