Dr. Clarence Herbert Koennecke
1904 - 1966 (62 years)(
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- 1 Dr. Clarence Herbert Koennecke [1] b. 5 Apr 1904 d. 17 Apr 1966
- + Marie Jean Brandstetter b. 30 Apr 1922 d. 26 Nov 1977
- + Marie Jean Brandstetter b. 30 Apr 1922 d. 26 Nov 1977