
| William Woodhull Underwood | |
| B: | 25 Aug 1891 |
| D: | Yes, date unknown |
| Henry Davis Underwood | |
| B: | 16 Apr 1866 |
| Illinois, United States | |
| D: | Bef 1900 |
| Helen Maud Woodhull | |
| B: | 26 Feb 1869 |
| M: | 24 Aug 1890 |
| D: | Yes, date unknown |
| Hannah Elizabeth Weekes | |
| B: | 27 Apr 1834 |
| New Sharon, Franklin, Maine, United States | |
| D: | 23 Jan 1903 |
| Chicago, Cook, Illinois, United States | |
| Nathan Underwood, Jr | |
| B: | 12 Nov 1829 |
| Harwich, Barnstable, Massachusetts, United States | |
| D: | 24 Jun 1913 |
| Fall River, Bristol, Massachusetts, United States | |