If anyone is interested in David Jennings Vail and Keziah Scudder Vail, I have a photo that purports to include them. It was apparently made in the 1880s and consists of a large group of people at a picnic. Maybe you can identify osomeone in the photo. I can email it. David M. Cordell 451 Churchill Drive Berwyn, PA 19312 610-640-4541 CORDELLDM@AOL.COM