1890 - 1961 (70 years)
| Robert Paul Groh | |
| B: | 20 Dec 1925 |
| Sayville, Islip, Suffolk, New York, United States | |
| D: | 27 Aug 2000 |
| Lynden, Whatcom, Washington, United States of America | |
| Thelma May Cronk | |
| B: | 16 Aug 1928 |
| Saint Charles Township, Winona, Minnesota, United States | |
| M: | 10 Sep 1952 |
| Fall River, South Dakota, United States | |
| D: | 21 Oct 2020 |
| Bellingham, Whatcom, Washington, United States | |
| Elinor Louise Groh | |
| B: | 25 Feb 1922 |
| Islip, Suffolk, New York, United States | |
| D: | 6 Jun 1925 |
| Islip, Suffolk, New York, United States | |
|
| Robert George Groh | |
| B: | 22 Jul 1890 |
| Sayville, Suffolk, New York, United States | |
| D: | 7 Jun 1961 |
| Sayville, Suffolk, New York, United States | |
| Anna Martha Wetzler | |
| B: | Jun 1888 |
| Brooklyn, Kings, New York, United States | |
| M: | 6 Oct 1920 |
| Suffolk, New York, United States | |
| D: | 11 Oct 1976 |
| Bellingham, Whatcom, Washington, United States | |
