Hartmann I. von GrüningenAge: 50 years1230–1280
- Name
- Hartmann I. von Grüningen
| Birth | estimated as close to sibling(s) about 1230 29 29 |
| Location | 1237 (Age 7 years) |
| Death of a brother | Ulrich I. der Stifter von Württemberg February 6, 1265 (Age 35 years) |
| Death | October 4, 1280 (Age 50 years) |
| Family with parents |
| father |
Hermann von Württemberg Birth: parentage as shown likely, DoB estimated a gap of 25 years — about 1201 25 |
| mother |
Irmngard von Ulten Birth: estimated a gap of 25 years — about 1201 25 |
| elder brother |
Ulrich I. der Stifter von Württemberg Birth: 1226 25 25 Death: February 6, 1265 |
|
3 years elder brother |
Eberhard von Württemberg Birth: estimated as close to sibling(s) — about 1228 27 27 |
|
3 years himself |
Hartmann I. von Grüningen Birth: estimated as close to sibling(s) — about 1230 29 29 Death: October 4, 1280 |