1912 - 1989 (76 år)
 | Ronald Dean Knickerbocker 1933-1996 |
| Ronald Dean Knickerbocker | |
| F: | 10 Okt 1933 |
| Des Moines, Polk County, Iowa, USA | |
| D: | 8 Okt 1996 |
| Madison Heights, Oakland County, Michigan, USA | |
 | Edwin Larry Merkle 1941-2002 |
| Edwin Larry Merkle | |
| F: | 25 Aug 1941 |
| Batavia, Genesee County, New York, USA | |
| D: | 20 Mar 2002 |
| Oriskany Falls, Oneida County, New York, USA | |
|
| Judith Irene Nerland 1912-1989 |
| Judith Irene Nerland | |
| F: | 18 Sep 1912 |
| Alden, Hardin County, Iowa, USA | |
| D: | 24 Jul 1989 |
| Des Moines, Polk County, Iowa, USA | |
 | Robert Knickerbocker 1914-1970 |
| Robert Knickerbocker | |
| F: | 8 Aug 1914 |
| Williams, Hamilton County, Iowa, USA | |
| V: | 29 Aug 1936 |
| Chillicothe, Livingston County, Missouri, USA | |
| D: | 2 Mar 1970 |
| Williams, Hamilton County, Iowa, USA | |
