Carlos Martínez de Irujo, 2nd Marquess of Casa Irujo
Don Carlos Fernando Martínez de Irujo y McKean, 2nd Marquess of Casa Irujo, jure uxoris Duke of Sotomayor, Grandee of Spain was a Spanish noble and politician who served as Prime Minister of Spain. He is also a male-line ancestor of the current duke of Alba.Family
He was son of the diplomat Carlos Martínez de Irujo y :es:Condado de Erice|Erice, 1st Marquess of Casa Irujo, and his wife Sarah McKean, the daughter of the Pennsylvania Governor Thomas McKean and Pennsylvania First Lady Sarah Armitage McKean.
Don Carlos became a Grandee of Spain in 1844 through his marriage to Gabriela del Alcázar, 7th Duchess of Sotomayor through which he gained the courtesy title, Duke of Sotomayor.
The Duke and Duchess had two children: