Palacio de las Dueñas (more properly, Palace of the Dukes of Alba; occasionally, Palacio de las Pinedas) is a palace in Seville, Spain, currently belonging to the House of Alba. It was built in the late 15th century in the Renaissance style with Gothic and Moorish influences. The palace is one of the major historic homes in the city of great architectural and artistic heritage. The poet Antonio Machado was born here, as were Carlos Falcó, Marqués de Griñón and Marqués de Castelmoncayo. On October 5, 2011 Cayetana Fitz-James Stuart, 18th Duchess of Alba married here. It became a national monument, now a "Bien de Interés Cultural", on June 3, 1931. It is open to the public by appointment.