Mary Helen Stevenson
1924 - 2012 (87 years)
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| Mary Helen Stevenson 1924-2012 |
| Mary Helen Stevenson | |
| B: | 17 Dec 1924 |
| Shawnee Township, Cape Girardeau County, Missouri, USA | |
| D: | 17 Feb 2012 |
| , St. Louis County, Missouri, United States | |
 | Robert Vincent Petracek 1923-2008 |
| Robert Vincent Petracek | |
| B: | 17 Jul 1923 |
| Wilber, Saline County, Nebraska, United States | |
| M: | 7 Jun 1952 |
| Ferguson, Saint Louis County, Missouri, United States | |
| D: | 14 Nov 2008 |
| , St. Louis County, Missouri, United States | |