| Male John Peter Leonard |
| Birth | 14 Mar 1748 | Pennsylvania, United States of America |
| Death | 1785 | Madison County, Kentucky, United States of America |
| Burial | ||
| Marriage | ||
| Father | Johan Paul Valentine Leonhardt | F2253 Group Sheet | |
| Mother | Anna Elisabetha "Elizabeth" Wallacher | F2253 Group Sheet | |
| Male + Valentine Leonard |
| Birth | 1 January 1763 | |
| Death | 25 June 1853 | Illinois, United States of America |
| Burial | Danville, Vermilion County, Illinois, United States of America |
|
| Spouse | Mary "Polly" Fowler | F2511 | |
| Marriage | ||