George J Martz
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 | Vera Mae Spencer Martz 1920-2010 |
| Vera Mae Spencer Martz | |
| B: | 18 Feb 1920 |
| D: | 20 Jul 2010 |
| Susan M. Derkye 1951-2011 |
| Susan M. Derkye | |
| B: | 13 Apr 1951 |
| D: | 19 Aug 2011 |
| Howard C. Cole 1911-1967 |
| Howard C. Cole | |
| B: | 10 Jul 1911 |
| Grand Rapids, Kent, Michigan, USA | |
| M: | 13 Apr 1946 |
| Grand Rapids, Kent, Michigan, USA | |
| D: | 9 Apr 1967 |