John Ernest I, Duke of Saxe-Weimar Johann Ernst der Jüngere, Johann Ernst von Sachsen-Weimar
German duke
- Sex or Gender:
- male
- Date of Birth:
- 1594-02-21
- Place of Birth:
- Altenburg
- Date of Death:
- 1626-12-06
- Place of Death:
- Markt Sankt Martin
- Country of citizenship:
- Germany
- Father:
- John II, Duke of Saxe-Weimar
- Mother:
- Dorothea Maria of Anhalt
- Occupation:
- aristocrat
- Viaf ID:
- 240144647701992852616
