Khaokor Galaxy, Khaosai Galaxy, = Twin Brothers both won world titles.
Juan Manuel Marquez, Rafael Marquez,
Donald Curry, Bruce Curry,
Cory Spinks, Michael Spinks, Leon Spinks,
Floyd Mayweather Sr, Floyd Mayweather Jr, Jeff Mayweather, Roger Mayweather,
Orlin Norris, Terry Norris
Dave Hilton Sr, Dave Hilton Jr, Matthew Hilton,
Christophe Tiozzo, Fabrice Tiozzo
Doddie Boy Penalosa, Gerry Penalosa,
Miguel Cotto, Jose Cotto,
Vitali Klitschko, Wladimir Klitschko,
Randolph Turpin, Dick Turpin,
Buddy Baer, Max Baer
Joe Frazier, Marvin Frazier, Jackie Frazier, Tyrone Frazier,
Muhammad Ali, Laila Ali,
Marvin Hagler, Robbie Simms,
Thomas Hearns, Ronald Hearns,
Demetrius Hopkins, Bernard Hopkins,
Roy Jones Sr, Roy Jones Jr