Bronx, if John LaRocca father was Louis LaRocca, then yes he is related to Sebastian in Pittsburgh. Louis was a second or third cousin to the LaRocca brothers Pittsburgh, a driver for Frank Tieri in the Genovese crime family and a New Jersey member in the family.

"I have this Nightmare. I'm on 5th avenue watching the St. Patrick's Day parade and I have a coronary and nine thousand cops march happily over my body." Chief Sidney Green