Rockland, also known as Verdier Plantation, Schley Farm and Knode House, was built by James Verdier between 1771 and 1785 near Shepherdstown, West Virginia. (Wikipedia October 11, 2012)
"It is thought to have been completed between 1771 and 1785 by a French Huguenot named James Verdier who purchased the tract of 200 acres from Richard Mercer in 1771." (from M.K. Bushong, Historic Jefferson County, Boyce, Va.: Carr Publ. Co., 1972)