| Children  | 
|   | 1. Fred P. Martens           b. 1878, Germany             d. 1934, Rockwell City, Calhoun, Iowa, United States   (Age 56 years) |  
|   | 2. Charles Louis Martens           b. 5 Nov 1880, Germany             d. 15 Jul 1978, Rockwell City, Calhoun, Iowa, United States   (Age 97 years) |  
|   | 3. George Martins           b. 22 Sep 1882, Chicago, Cook, Illinois, United States   |  
|   | 4. Henry Theodore Martens           b. Feb 1884, Jones, Iowa, United States             d. 29 Nov 1932, Fonda, Pocahontas, Iowa, United States   (Age 48 years) |  
|   | 5. Bertha Henrietta Martens           b. 11 Nov 1885, Onslow, Jones, Iowa             d. 18 Feb 1923, Rockwell City, Calhoun, Iowa, United States   (Age 37 years) |  
|   | 6. William John Martens           b. Jan 1888, Iowa, United States   |  
|   | 7. Albert Bernard Martens           b. 7 Oct 1891, Rockwell City, Calhoun, Iowa, United States             d. 3 Apr 1956, Inyo, California, United States   (Age 64 years) |  
|   | 8. Walter Theodore Martens           b. 27 Mar 1894, Calhoun, Harrison County, Iowa, United States             d. Aug 1964 (Age 70 years) |  
 
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