María Del Rosario Cayetana Fitz-James Stuart Y Silva

- Carlos Arturo José María Fitz-James Stuart y Solís (born 29 November 1991 in Madrid)
• Alfonso Martínez de Irujo y Fitz-James Stuart, 15th Duke of Aliaga, born 22 October 1950 in Madrid. On 4 July 1977 he married María de la Santísima Trinidad de Hohenlohe-Langenburg y de la Cuadra (born 8 April 1957), whom he later divorced.
- Luis Martínez de Irujo y Hohenlohe (born 26 May 1978)
- Javier Martínez de Irujo y Hohenlohe (born January 1981). He married sherry heiress Inés Domecq y Govente in 2008.