1898 - Yes, date unknown
| Richard Wellington Burkhardt | |
| B: | 18 May 1918 |
| Newton, Middlesex, Massachusetts, United States | |
| D: | 4 Mar 2014 |
| Muncie, Delaware, Indiana, United States | |
| Dorothy G. Johnson | |
| B: | 1918 |
| Milwaukee, Milwaukee, Wisconsin, United States | |
| M: | 18 Jun 1941 |
| Egg Habor, Door, Wisconsin, United States | |
| D: | Abt 2007 |
| Dubois, Dubois, Indiana, United States | |
|
| Ruth Wellington | |
| B: | 7 Feb 1898 |
| D: | Yes, date unknown |
| Edgar Seaverns Burkhardt | |
| B: | 30 Nov 1896 |
| Massachusetts, USA | |
| M: | 6 Oct 1917 |
| Newton City, Middlesex, Massachusetts, United States | |
| D: | Yes, date unknown |
