Robert Irving Grass
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| Arthur Charles Grass |
| Arthur Charles Grass | |
| B: | 30 Aug 1909 |
| Oklahoma, USA | |
| D: | 1 Jul 1992 |
| Cassville, Barry County, Missouri, USA | |
| Evelyn L. Unknown |
| Evelyn L. Unknown | |
| B: | 7 Oct 1909 |
| Ohio, USA | |
| M: | 3 Sep 1930 |
| D: | 15 Mar 2000 |
| Missouri, USA | |
| Richard Anthony Grass |
| Richard Anthony Grass | |
| B: | 21 Aug 1916 |
| Oklahoma, USA | |
| D: | 13 Jan 2003 |
| Republic, Greene County, Missouri, USA | |
| Rhea A. Hensler |
| Rhea A. Hensler | |
| B: | 7 Feb 1916 |
| Michigan, USA | |
| M: | 17 May 1940 |
| Michigan, USA | |
| D: | 27 Oct 2004 |
| Republic, Greene County, Missouri, USA | |
| Ernest Grass |
| Ernest Grass | |
| B: | 9 Oct 1918 |
| Missouri, USA | |
| D: | 5 Aug 1967 |
| Oklahoma, USA | |
| Clifford Robert Stoops |
| Clifford Robert Stoops | |
| B: | 31 Aug 1942 |
| Missouri, USA | |
| D: | 2 Mar 2014 |
| Missouri, USA | |
| Deborah Garrett | |
| M: | 6 Mar 1976 |
| Alexander Johann Szaszko |
| Alexander Johann Szaszko | |
| B: | 13 Dec 1950 |
| Landshut, Bayern | |
| M: | 10 Apr 1976 |
| Tulsa, Tulsa County, Oklahoma, USA | |
| D: | 19 Jun 1994 |
| Tulsa, Tulsa County, Oklahoma, USA | |
| Margaret Barbara Grass |
| Margaret Barbara Grass | |
| B: | 16 Dec 1922 |
| Missouri, USA | |
| D: | 19 Mar 2004 |
| Missouri, USA | |
| Raymond Clifford Stoops |
| Raymond Clifford Stoops | |
| B: | 16 Jun 1919 |
| Roosevelt, Kiowa County, Oklahoma, USA | |
| M: | 6 Oct 1939 |
| Missouri, USA | |
| D: | 23 Nov 1972 |
| Jay, Delaware County, Oklahoma, USA | |
| Gaylord Wayne Cuendet |
| Gaylord Wayne Cuendet | |
| B: | 15 Mar 1927 |
| Missouri, USA | |
| D: | 1 May 1997 |
| Monett, Barry County, Missouri, USA | |
| Robert Irving Grass |
| Robert Irving Grass | |
| B: | 2 Sep 1881 |
| Missouri, USA | |
| D: | 15 May 1968 |
| Purdy, Barry County, Missouri, USA | |
| Barbara Emilia Hoffelder |
| Barbara Emilia Hoffelder | |
| B: | 27 May 1890 |
| Waterloo, Dekalb County, Indiana, USA | |
| M: | 14 Oct 1913 |
| Oklahoma, USA | |
| D: | 17 Oct 1974 |
| Cassville, Barry County, Missouri, USA | |



