-Yes, date unknown
| Truman Pierce | |
| D: | Yes, date unknown |
-Yes, date unknown
| Dorothy Pierce | |
| D: | Yes, date unknown |
-Yes, date unknown
| Alvin Harman | |
| D: | Yes, date unknown |
| Rosa Christena "Chris" Pierce | |
| B: | 26 Feb 1932 |
| Humphreys, Sullivan County, Missouri | |
| D: | 26 Apr 2020 |
| Saint Joseph, Buchanan County, Missouri | |
| Elmer F. Harman | |
| B: | 14 Nov 1914 |
| M: | 17 Apr 1950 |
| D: | 10 Dec 1991 |
-Yes, date unknown
| Sherman Pierce | |
| D: | Yes, date unknown |
-Yes, date unknown
| Mary (Pierce) | |
| D: | Yes, date unknown |