Harry Gregg's birth name is Henry Gregg.
Hubert Gregg's birth name is Hubert Robert Harry Gregg.
Gregg Casson's birth name is Gregg Newton.
Gregg Masuak's birth name is Gregg Masuak.
Virginia Gregg's birth name is Virginia Gregg Burket.
Gregg Sutton's birth name is Gregg William Sutton.
Gregg Bond's birth name is Gregg William Bond.
Gregg Toland's birth name is Gregg Wesley Toland.
Gregg Rainwater's birth name is Rainwater, Gregg Andrew.
Gregg Nourjian's birth name is Robert Gregg Nourjian.
Anne Gregg's birth name is Anne Deirdre Gregg.
Clark Gregg's birth name is Robert Clark Gregg.
Judd Gregg's birth name is Judd Alan Gregg.