José Osorio y Silva

José Osorio y Silva, 9th Duke of Sesto, 16th Duke of Alburquerque, 17th Marquess of Alcañices, was a Spanish nobleman, politician and army officer. He was also known by one of his titles, Duke of Sesto, inherited from his father, and by nicknames Pepe Osorio or Pepe Alcañices. He was head and representative of the houses of Alcañices, Alburquerque and los Balbases, causing a personal union of sixteen noble titles and four grandee titles. He is also considered one of the most notable mayors of Madrid, serving from 1857 to 1864.