| 1. Donald Clayton Jennings |
 |
| B: |
19 Jul 1948 |
| P: |
Le Mars, Plymouth, Iowa, United States |
| D: |
29 Apr 1985 |
| P: |
Sioux City, Woodbury, Iowa, United States |
|
|
| 4. Walter Jennings |
 |
| B: |
31 Aug 1887 |
| P: |
Le Mars, Plymouth, Iowa, United States |
| M: |
28 Jan 1914 |
| P: |
Le Mars, Plymouth, Iowa, United States |
| D: |
10 Nov 1972 |
| P: |
Remsen, Plymouth, Iowa, United States |
|
| 8. John Jennings |
=> |
 |
| B: |
15 Mar 1843 |
| P: |
, , Ohio, United States |
| M: |
3 Jul 1865 |
| P: |
Muscatine, Muscatine, Iowa, United States |
| D: |
5 Jul 1923 |
| P: |
Le Mars, Plymouth, Iowa, United States |
|