and really, you couldn't find any info? here are the first lines from his wiki:
Marion Barber III (born June 10, 1983 in Plymouth, Minnesota), nicknamed "Marion The Barbarian", is an American football running back in the NFL for the Dallas Cowboys. He is the son of former New York Jets (1982-1988) running back Marion Barber Jr.
Derrick Jabar Gaffney (born December 1, 1980 in San Antonio, Texas) is an American football wide receiver for the New England Patriots of the National Football League. He was originally drafted by the Houston Texans in the second round of the 2002 NFL Draft. He played college football at Florida.
He is the son of former New York Jets wide receiver Derrick Gaffney, the cousin of current Philadelphia Eagles cornerback Lito Sheppard, and the nephew of ex-New York Jets quarterback Chad Pennington.