Europe may never again see the likes of the Duchess of Alba, who died Thursday at 88. The Spanish beauty outlived two husbands and widowed a third. She was a billionaire who held the Guinness World Record for more royal titles. Her eldest son Carlos inherits her post at the family foundation — along with dozens of titles. But María del Rosario Cayetana Alfonsa Victoria Eugenia Francisca Fitz-James Stuart y de Silva won’t be easy to follow.