

Herzog von Sachsen-Weimar
Weimarer Fürstengruft
Johann Ernst III. (* 22. June 1664 in Weimar; † 10. May 1707 in Weimar) was a herzog von Sachsen-Weimar. He was 42 years old. He was married to Charlotte von Hessen-Homburg. He had at least 8 children (4 sons and 4 daughters). His faith was Lutheranism. He was buried at Weimarer Fürstengruft.