Here is what Whisker has on him in "Virginia Gunsmiths & Allied Professions"
William Zollman 1785-1834, Gunsmith 1810-1834, Rockbridge County. Zollman was born about 1785 in Locust Bottom, Rockbridge County, but moved to the Fork of the James River near Natural Bridge. In 1808 he Married Ann Ripley of Fincastle. Soon after that he moved to Zollmans Mill, Rockbridge County.Died on his farm August 9 1834. His son Henry , one of eleven children, inherited his gunshop. Henry operated it until 1896.
(Museum of Early Southern Decorative Arts. G. W. Diehl, Zollmans & Their Kin,Withrow Scrapbook,Vol II