Henry Frederick Harder / Anna Margaretha Barthmann
Man
| Name | Place of Birth | Date of Birth | Place of Death | Date of Death |
 Henry Frederick Harder | German Confederation | 14 June 1852 | Cerro Gordo County, Iowa, United States | 9 March 1926 |
Woman
| Name | Place of Birth | Date of Birth | Place of Death | Date of Death |
 Anna Margaretha Barthmann | Vordorf, Vordorf, Wunsiedel, Wunsiedel, Upper Franconia, Kingdom of Bavaria, German Confederation | 9 January 1865 | Cerro Gordo County, Iowa, United States | 28 February 1930 |
Children
| Name | Place of Birth | Date of Birth | Place of Death | Date of Death |
Family Events
| Event Type | Date | Place | Description |
 Marriage | 6 October 1890 | Carroll, Carroll County, Iowa, United States | |
| Census | 16 May 1895 | Pitcher Township, Cherokee County, Iowa, United States | |
| Census | 8 June 1900 | Afton Township, Cherokee County, Iowa, United States | |
| Census | 1905 | Pitcher Township, Cherokee County, Iowa, United States | |
| Census | 9 May 1910 | Aurelia, Cherokee County, Iowa, United States | |
| Census | 1915 | Bath Township, Cerro Gordo County, Iowa, United States | |
| Census | 21 January 1920 | Bath Township, Cerro Gordo County, Iowa, United States | |
| Census | 1 March 1925 | Bath Township, Cerro Gordo County, Iowa, United States | |