| 1. David D. Groeninger |
 |
| B: |
18 May 1939 |
| P: |
Elgin, Kane County, Illinois, USA |
| D: |
29 Aug 2007 |
| P: |
Springfield, Clark County, Ohio, USA |
|
| 2. Joseph Groeninger |
|
| B: |
25 Jan 1911 |
| P: |
Illinois, USA |
| M: |
19 Sep 1935 |
| P: |
|
| D: |
9 Apr 1984 |
| P: |
Crystal Lake, McHenry County, Illinois, USA |
|
| 4. Harry Louis Groeninger |
|
| B: |
23 Sep 1885 |
| P: |
Illinois, USA |
| M: |
17 Apr 1906 |
| P: |
Indiana, USA |
| D: |
|
| P: |
Elgin, Kane County, Illinois, USA |
|
| 8. Frederick Groeninger |
=> |
|
| B: |
22 Oct 1861 |
| P: |
Vanderburgh County, Indiana, USA |
| M: |
22 Jan 1885 |
| P: |
Illinois, USA |
| D: |
30 Jan 1921 |
| P: |
Harrisburg, Saline County, Illinois, USA |
|
1939 - 2007 (68 years)