Athina Onassis—the granddaughter of the Greek shipping magnate and Jackie Kennedy's onetime husband Aristotle Onassis—is back on the market. A rep for Alvado "Doda" de Miranda Neto, 43, confirms he has split from the billionaire heiress and his wife of 11 years, with whom he "shared a life" and "a love for horses." Both Miranda and Onassis are accomplished equestrians. Miranda is a member of the Brazilian Olympic team while Onassis hopes to ride for Greece in Rio, reports Radar Online.
A source tells People that Onassis, 31, left the couple's Wellington, Fla., home in March and "initially fled to Belgium" after learning that Miranda was cheating on her with the sister of another equestrian, among others. However, Miranda's rep says such reports are "dishonest," adding the pair "maintain a cordial relationship and would like to be able to go through this painful moment with the maximum privacy and respect." (Miranda's ex-lover committed suicide in 2011.)