| b 15 Oct 1895, | John Underwood | d 1990, | Thomas Underwood | Elizabeth Manifold | > |
| John Thomas Underwood | b 1804 | Calvin Johnson | ||
| | b 1836 | Elizabeth Johnson | |||
| Ulysses Edward Underwood | d 1923 | b 1813 | ||
| |b 16 Mar 1869 | | | John Covington | ||
| |d 14 Jul 1943 | Mariah Jane Covington | |||
| | | b 1834 | Katherine Stickly | ||
| Earl Griffin Underwood | d 1923 | |||
| |Ersa Johnson | |m May1917 | Samuel Guynn | ||
| | | | | |||
| Nancy Mae Guynn | ||||
| b 31 Oct 1868 | | | |||
| d 30 May 1924 | Lavesta Griffin | |||
| 1 | < | George Earl 'Earl_G.' Underwood |
Source: 'Sevier County, Tennessee and Its Heritage', 1994, 365, 366. 'In the Shadow of the Smokies', Smoky Mountain Historical Society, 1993, p 14.