Helene Auguste Bertha Helen Knack
1887 -
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| - stillborn - Prochnow | |
| B: | Bef 1 Mar 1908 |
| Chicago, Cook, Illinois, USA | |
| D: | Bef 1 Mar 1908 |
| Chicago, Cook, Illinois, USA | |
Raymond Albert Fridrich Prochnow
1909-1966
| Raymond Albert Fridrich Prochnow | |
| B: | 2 Jul 1909 |
| Wilmette, Cook, Illinois, USA | |
| D: | Aug 1966 |
| Milbert Samuel Prochnow | |
| B: | 13 Apr 1913 |
| Wilmette, Cook, Illinois, USA | |
| D: | 6 Dec 1963 |
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| Helene Auguste Bertha Helen Knack | |
| B: | 10 Apr 1887 |
| Chicago, Cook, Illinois, USA | |
Albert Prochnow
1880-
| Albert Prochnow | |
| B: | Jun 1880 |
| Illinois | |
| M: | 24 Aug 1907 |
| Chicago, Cook, Illinois, USA | |