1707 - 1766 (59 years)| Name | Johann Leonard Kieffer "later Cooper" | |
| Birth | 7 Jan 1707 | Oberacker, Bretten, Karlsruhe, Baden, Germany  |
| Gender | Male | |
| Death | 10 Jun 1766 | Frederick, Virginia, British Colonial America |
| Person ID | I90878 | My Genealogy |
| Last Modified | 17 Mar 2025 | |
