the robert worthington house, also known as piedmont and quarry banks, is an historic house located near charles town, west virginia. the main house was constructed as an addition in 1784 to the original structure, which dates to "circa" 1735, built by robert worthington, who called the house "quarry banks - new style" after his original home, "quarry banks" in england. worthington's grandson, thomas worthington, eventually became the sixth governor of ohio.