Johannes Heinrich Hartmann1748–
- Name
- Johannes Heinrich Hartmann
| Birth | November 27, 1748 25 24 |
| Birth of a brother | Johannes Adam Hartmann May 30, 1751 (Age 2 years) |
| Birth of a brother | Joannes Hartmann March 21, 1753 (Age 4 years) |
| Birth of a sister | Anna Margaretha Hartmann January 19, 1755 (Age 6 years) |
| Alfred W. Generation |
| Family with parents |
| father |
Heinrich Hartmann Birth: estimated a gap of 25 years — about 1723 |
| mother |
Maria Elisabeth Wiederhold Birth: estimated as near an assumed sibling — about 1724 21 |
| himself |
Johannes Heinrich Hartmann Birth: November 27, 1748 25 24 |
|
3 years younger brother |
Johannes Adam Hartmann Birth: May 30, 1751 28 27 |
|
22 months younger brother |
Joannes Hartmann Birth: March 21, 1753 30 29 |
|
22 months younger sister |
Anna Margaretha Hartmann Birth: Patin: AM oo Heinrich Schollmeyer — January 19, 1755 32 31 |