| b 18 Oct 1861, | ||||
| d 10 Jan 1944, | bur , Sevier, Tennessee | |||
| | | ||||
| Thomas Lowery Thornburg | ||||
| |b 1832 | | | |||
| |d 1864 | ||||
| | | ||||
| Anna Thornburg | ||||
| |William Alexander Underwood | Calvin Johnson | | | Ephraim Johnson | |
| | | |b 1815 | |||
| Mary Jane Johnson | d 13 Mar 1862 | |||
| b 1842 | | | Hugh Henry, [Major] | ||
| d 1910 | Rachel Henry | b Apr1756 | ||
| b 07 Mar 1823 | Mary 'Polly' Upton | |||
| d 03 Jul 1885 | b 1781 | |||
| 1 | Underwood | 2 | Underwood | 3 | Underwood | 4 | Underwood | 5 | Underwood | 6 | Underwood | 7 | Underwood | 8 | < | Everett Ralph Underwood |
Source: 'Sevier County, Tennessee and Its Heritage', 1994, 241, 365. 'In the Shadow of the Smokies', Smoky Mountain Historical Society, 1993, p 44.