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  1877 - 1921  (43 years)
Descendants  (4 Generations)Children (7) - Generation 2 
| # | Children | Name | Born | Died | Father | Mother |  
|  1  | Yes |  |  b. 23 Dec 1901    |  d. 3 Jul 1988   |  Koller, John Charles   |  Christensen, Helena   |  |  2  | Yes |  |  b. 6 Feb 1905    |      |  Koller, John Charles   |  Christensen, Helena   |  |  3  |  |  |  b. 12 Nov 1912    |  d. Oct 1972   |  Koller, John Charles   |  Christensen, Helena   |  |  4  |  |  |  b. 24 Feb 1914    |  d. 10 Jan 1943   |  Koller, John Charles   |  Christensen, Helena   |  |  5  | Yes |  |     |     |  Koller, John Charles   |  Christensen, Helena   |  |  6  | Yes |  |     |     |  Koller, John Charles   |  Christensen, Helena   |  |  7  | Yes |  |  b. 14 Jan 1921    |  d. 17 Jul 2001   |  Koller, John Charles   |  Christensen, Helena   |    
 					 
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