1917 - 1971 (53 år)
 | Donald W Berke 1946-2017 |
| Donald W Berke | |
| F: | 19 Mar 1946 |
| DeKalb, DeKalb County, Illinois, USA | |
| D: | 18 Sep 2017 |
| Rockford, Winnebago County, Illinois, USA | |
|
| Viola Ruby Kirkhus 1917-1971 |
| Viola Ruby Kirkhus | |
| F: | 19 Sep 1917 |
| Illinois, USA | |
| D: | 14 Feb 1971 |
| DeKalb County, Illinois, USA | |
 | Tilmen Mervin Berke 1912-1999 |
| Tilmen Mervin Berke | |
| F: | 15 Apr 1912 |
| DeKalb County, Illinois, USA | |
| V: | 30 Mar 1940 |
| DeKalb County, Illinois, USA | |
| D: | 8 Sep 1999 |
| Winfield, DuPage County, Illinois, USA | |
