1836 - 1916 (80 years)
| Floyd Twin Slifer | |
| B: | 1892 |
| Ogle County, Illinois | |
| D: | 1894 |
| Jessie Twin Slifer | |
| B: | 1894 |
| Ogle County, Illinois | |
| D: | 1894 |
| Ogle County, Illinois | |
| Harold Slifer | |
| B: | 1882 |
| Ogle Co., IL. | |
| D: | 1894 |
| Ogle Co., IL. | |
| Melvin D Slifer | |
| B: | 13 Aug 1863 |
| Washington, Maryland, USA | |
| D: | Abt 1908 |
| Nettie Mae Spielman | |
| B: | 27 Sep 1866 |
| Tilghmanton, Washington, Maryland, USA | |
| M: | Abt 1889 |
| Mount Morris, Ogle, Illinois, USA | |
| D: | 1 Nov 1949 |
| Mount Morris, Illinois, USA | |
| Nettie May Slifer | |
| B: | Sep 1876 |
| Illinois | |
| M: | 1888 |
| Maria E. Row | |
| B: | 13 Mar 1836 |
| Washington County, MD | |
| D: | 16 Sep 1916 |
| Mt. Morris, Ogle, Illinois | |
| Andrew W. Slifer | |
| B: | 6 Jun 1829 |
| Maryland | |
| M: | 18 Mar 1858 |
| Hagerstown, Washington County, MD | |
| D: | 1896 |
| Mt. Morris, Ogle, Illinois | |
