

Herzog von Sachsen-Eisenach
Sankt Georg (Eisenach)
Johann Ernst (* 9. July 1566 in Gotha; † 23. October 1638 in Eisenach) was a herzog von Sachsen-Eisenach. He was 72 years old. He was married to Elisabeth von Mansfeld-Hinterort. He had at least 1 child (1 son). He studied at Leipzig University. His faith was Lutheranism. He was buried at Sankt Georg (Eisenach).