Eli Manning, Peyton Manning
Vernon Davis, Vontae Davis
Tiki Barber, Ronde Barber
Clay Matthews, Casey Matthews
Antonio Cromartie, Dominique Rodgers-Cromartie (half brothers)
Champ Bailey, Boss Bailey
Josh Bullocks, Daniel Bullocks
I think that's it, and I'm not positive that all of them were drafted.
ETA: Can't believe I forgot about the Pouncey's.
This post was edited on 7/24 at 3:53 pm