| FATHER |
| David McClanahan Sr (G4LD-6W6) |
| BIRTH | 1720 | Augusta, Virginia, British Colonial America |
| DEATH | 15 February 1783 | Botetourt County, Virginia, British Colonial America |
| FATHER | John McClanahan Jr (LH28-QHS) |
| MOTHER | Isabella Frances (L1F1-8SD) |
| |
| MOTHER |
| Isabella Snodgrass (274Y-VK5) |
| BIRTH | about 1723 | Augusta, Virginia, British Colonial America |
| DEATH | 1775 | Botetourt, Virginia, United States |