1725 - 1803 (78 years)
| Robert Harder | |
| B: | 1951 |
| D: | 1969 |
| Dr Joseph Arthur Harder | |
| B: | 15 Dec 1924 |
| D: | 21 Jul 2023 |
| Bellport, Brookhaven, Suffolk, New York, United States | |
| Rita Katherine Fournier | |
| B: | 18 Oct 1927 |
| New York, United States | |
| D: | 24 Oct 2014 |
| Long Island, New York, United States | |
| Richard Lennox Harder | |
| B: | 1 May 1930 |
| Kingston, Ulster, New York, United States | |
| D: | 24 Apr 1997 |
| Massachusetts, United States | |
| Robert Allan Harder | |
| B: | 21 Oct 1922 |
| Lake Katrine, New York, United States | |
| D: | 16 May 1997 |
| Hornell, Steuben, New York, United States | |
| Robert James Harder | |
| B: | 31 Mar 1893 |
| Kingston, Ulster, New York, United States | |
| D: | 6 Aug 1976 |
| East Marion, Southold, Suffolk, New York, United States | |
| Harriet Marguerite Hallock | |
| B: | 29 Jul 1894 |
| Blue Point, Suffolk County, New York, United States | |
| M: | 29 May 1921 |
| Patchogue, Brookhaven, Suffolk, New York, United States | |
| D: | 18 Nov 1975 |
| New York, United States | |
| Arthur James Harder | |
| B: | 12 Jan 1857 |
| Saugerties, Ulster, New York, United States | |
| D: | 21 Nov 1909 |
| Ruby, Ulster, Ulster, New York, United States | |
| Minnie L Burger | |
| B: | 10 Jan 1868 |
| Palenville, Catskill, Greene, New York, United States | |
| M: | Abt 1888 |
| New York, United States | |
| D: | 20 Oct 1911 |
| Ruby, Ulster, Ulster, New York, United States | |
| John Harder | |
| B: | 11 Jan 1818 |
| Woodstock, Greene, New York, United States | |
| D: | 19 Apr 1888 |
| Manhattan, New York City, New York, United States | |
| Frances A. James | |
| B: | 22 Jul 1829 |
| M: | Abt 1850 |
| Woodstock, Ulster, New York, United States | |
| D: | 4 Sep 1879 |
| Woodstock, Ulster, New York, United States | |
| Catherine Silbernagel | |
| B: | 3 Feb 1793 |
| Unknown | |
| D: | 28 Aug 1849 |
| Woodstock, Ulster, New York, United States | |
| Johannis B Harder | |
| B: | 10 Jan 1790 |
| Germantown, Columbia, New York, United States | |
| M: | 29 Aug 1813 |
| Columbia, New York, United States | |
| Jonas Silbernagel | |
| B: | 1760 |
| of Claverack, Columbia County, New York, USA | |
| D: | Yes, date unknown |
| Maria Mc Intosch | |
| B: | 1764 |
| M: | 21 Feb 1788 |
| Claverack,Columbia,New York | |
| D: | Yes, date unknown |
| Maria Volkert | |
| M: | 1796 |
| Catherina Ausseger | |
| B: | 1725 |
| Columbia, New York, United States | |
| D: | 1803 |
| Newton, Sussex, New Jersey, United States | |
| Conradt Silbernagel | |
| B: | Abt 1725 |
| Columbia, New York, United States | |
| M: | 1746 |
| Columbia Co., New York | |
| D: | 1803 |
