1781 - Aft 1849 (~ 68 years)
| Rebecca UNDERWOOD | |
| B: | Oct 1806 |
| D: | Yes, date unknown |
| Hannah UNDERWOOD | |
| B: | Aug 1809 |
| D: | Aug 1809 |
| Ellwood ARMSTRONG | |
| B: | 27 Dec 1832 |
| D: | Yes, date unknown |
| Hannah Jane ARMSTRONG | |
| B: | 11 Aug 1834 |
| D: | Yes, date unknown |
| Sarah A. ARMSTRONG | |
| B: | 3 Apr 1837 |
| D: | Yes, date unknown |
1842-1864
| Unknown ARMSTRONG | |
| B: | 28 Aug 1842 |
| D: | 7 Mar 1864 |
| Harry C. ARMSTRONG | |
| B: | 29 Sep 1845 |
| D: | 5 Apr 1867 |
| Virginia ARMSTRONG | |
| B: | 19 Jul 1849 |
| D: | Yes, date unknown |
| Mary Ann UNDERWOOD | |
| B: | Jul 1810 |
| D: | Yes, date unknown |
| Mary Ann UNDERWOOD | |
| B: | 20 Aug 1842 |
| D: | Yes, date unknown |
| Zephaniah UNDERWOOD | |
| B: | Jul 1813 |
| D: | Yes, date unknown |
| Lydia UNDERWOOD | |
| B: | Jul 1817 |
| D: | Yes, date unknown |
|
| Jacob UNDERWOOD | |
| B: | Mar 1781 |
| Pennsylvania | |
| D: | Aft 1849 |
| Hannah MENDENHALL | |
| B: | Mar 1769 |
| M: | Bef 1806 |
| , Centre Co.?, PA | |
| D: | Sep 1840 |
| William THORP | |
| B: | 28 Jan 1867 |
| D: | Yes, date unknown |
| Frank S. THORP | |
| B: | 21 Feb 1871 |
| D: | Yes, date unknown |
| Harland THORP | |
| B: | 19 Feb 1873 |
| D: | Yes, date unknown |
| Lydia UNDERWOOD | |
| B: | 28 May 1843 |
| Pennsylvania | |
| D: | 13 Apr 1926 |
| Ross, Allegheny, Pennsylvania, USA | |
| Richard P. MICHAEL | |
| B: | 6 May 1871 |
| D: | Yes, date unknown |
1872-Yes, date unknown
| Orlando L. MICHAEL | |
| B: | 1 May 1872 |
| D: | Yes, date unknown |
| Hannah UNDERWOOD | |
| B: | 9 Nov 1844 |
| D: | Yes, date unknown |
| Jacob Harrison UNDERWOOD | |
| B: | 4 Mar 1847 |
| D: | Yes, date unknown |
| Elizabeth UNDERWOOD | |
| B: | 10 Jun 1849 |
| D: | Yes, date unknown |
