(NEW YORK) -- The brother of New York Giants cornerback Janoris Jenkins has been arrested after a family friend was found dead at the NFL player's New Jersey home, authorities said on Wednesday.William Jenkins Jr. of Fair Lawn, New Jersey, was charged with aggravated manslaughter in connection with the death of Roosevelt Rene, according to the Bergen County Prosecutor's Office and Fair Lawn police. Rene, 25, was found dead at Janoris Jenkins' Fair Lawn home on Tuesday, according to prosecutors, who said that Rene had been living at the home for an undisclosed amount of time. The discovery of the body stunned the leafy suburban community. "We're all a little freaked out," neighbor Barry Carenza told WABC-TV. "It's a quiet neighborhood." Janoris Jenkins was in Florida at the time, neighbors told ABC-owned station WABC-TV in New York. William Jenkins, 34, had been taken into custody in Ontario County, New York, eight hours before Rene's body was found for violating the conditions of his parole, according to the Ontario County District Attorney's Office. He was previously convicted of criminal sale of a controlled substance.