Beltrán Alfonso Osorio y Díez de Rivera, 18th Duke of Alburquerque, GE, OSL, also known as the 'Iron Duke' of Alburquerque, was a Spanish peer and jockey. A profound monarchist, he was a close friend and confidant of the heir to the throne of Spain, the Count of Barcelona, whom he served as the Head of his Household from 1954 to 1993.
- Occupation
- equestrian, jockey
- Citizenship
- Spain
- Born
- December 15, 1918
- Died
- February 7, 1994
