Kathy- Your generations are a bit off I think. The first David Darnall married Margritt and had four sons that we know of . This is known from Margriit's deed of 1702 to her sons: Morgan born about 1678 David born about 1680 Joseph born about 1682 Waugh born about 1684 Now, the son David, born about 1680, had three sons that we know of : Abraham born about 1713 Isaac born about 1715 Jacob born about 1717 Tim Ferrier