In 1810 and 1820, Benjamin Pennybacker lived at Pine Forge in Shenandoah County, Virginia. His father, Derick Pennybacker, founded the Redwell (later Isabella) Furnace in the 1780's. His Uncle is George M. Pennybacker. Benjamin was primarily an ironworker, not a merchant.
Information about this individual or organization may be available in the Special Collections Research Center Wiki: http://scrc.swem.wm.edu/wiki/index.php/Benjamin Pennybacker.
Sarah Thomas in 2011 email per information she gathered while working on her University of Virginia master's thesis on the Redwell Furnace.