Athina Onassis-Miranda (L) and an unidentified friend attend the International Jumping of Monaco in Monte Carlo June 26, 2010. Athina is married to Alvaro Affonso De Miranda Neto, an Olympic-class Brazilian show jumping rider who is competing in the event. Athina Onassis-Miranda is a competitive show jumper and the only surviving descendant of her grandfather Aristotle Onassis, the Greek shipping magnate. REUTERS/Sebastien Nogier (MONACO - Tags: SPORT EQUESTRIANISM PROFILE)