| Male HARDER, Heinrich Martin |
| Birth | 1868 | New York |
| Death | 1948 | Town of Wheatfield, Niagara County, NY |
| Burial | ||
| Marriage | 1 May 1892 | Town of Wheatfield, Niagara County, NY |
| Father | ||
| Mother | ||
| Female WERTH, Rosine Augusta Friderike |
| Birth | 19 Feb 1873 | Town of Wheatfield, Niagara County, NY |
| Death | 6 Jan 1934 | North Tonawanda, Niagara County, NY |
| Burial | ||
| Father | WERTH, Carl Friedrich | F20547 Group Sheet | |
| Mother | STRASSBURG, Johanna Elisabeth Charlotte | F20547 Group Sheet | |
| Male HARDER, Arthur |
| Birth | 1893 | New York |
| Death | 6 Mar 1949 | North Tonawanda, Niagara County, NY |
| Burial | ||
| Spouse | HESCHKE, Amanda M | F15221 | |
| Marriage | 1913 | |
| Female HARDER, Hilda Bertha Wilhelmine |
| Birth | 2 Nov 1901 | Niagara County, NY |
| Death | 28 Jun 1990 | Town of Wheatfield, Niagara County, NY |
| Burial | ||
| Spouse | MUELLER, George John | F16959 | |
| Marriage | Abt 1955 | |
| Spouse | WERTH, George Frederick August | F17499 | |
| Marriage | 1924 | New York |
| Male HARDER, Alvin W |
| Birth | 1897 | Tonawanda, Erie County, NY |
| Death | 27 Jan 1962 | Town of Wheatfield, Niagara County, NY |
| Burial | ||
| Spouse | LANDOW, Rose Elisabeth Wilhelmine | F29475 | |
| Marriage | Abt 1927 | Niagara County, NY |
| Female HARDER, Viola R |
| Birth | 18 Aug 1908 | Niagara County, NY |
| Death | 28 May 2002 | North Tonawanda, Niagara County, NY |
| Burial | ||
| Spouse | MOELLER, Ervin Herman | F18257 | |
| Marriage | ||