Carlos Juan Fitz-James Stuart 19th Duke of Alba (b. 1948) Parents Cayetana Fitz-James Stuart, 18th Duchess of Alba Luis Martínez de Irujo Children Fernando Fitz-James Stuart, 15th Duke of Huéscar Carlos Fitz-James Stuart, 22nd Count of Osorno Carlos Fitz-James-Stuart y Solís Siblings Eugenia Martínez de Irujo, 12th Duchess of Montoro Jacobo Lopez Fitz-James Stuart y Martínez de Irujo, 23rd Count of Siruela Fernando Martínez de Irujo, 12th Marquis of San Vicente del Barco Alfonso Martínez de Irujo y Fitz-James Stuart, 16th Duke of Aliaga Cayetano Martínez de Irujo Partners Matilde Solís y Martínez Campos