The House of Alba is a noble family in Spain, known for its long history and significant influence. Founded in the 15th century, it has produced many prominent figures, including politicians and military leaders. The family is recognized for its vast estates and impressive art collections, which include works by famous artists. The current head of the House of Alba is Cayetana Fitz-James Stuart, the 18th Duchess of Alba, who has been a notable public figure. The family is also known for its unique lineage, claiming descent from both Spanish royalty and the British royal family.