Johann Ernst of Saxe-Weimar
Johann Ernst of Saxe-Weimar (1664-1707) was a German nobleman and a member of the House of Saxe-Weimar. He served as the Duke of Saxe-Weimar from 1707 until his death. Johann Ernst was known for his efforts to promote education and culture in his duchy, supporting the establishment of schools and the arts.
He was also involved in military affairs, participating in various campaigns during the War of the Spanish Succession. His reign was marked by a focus on strengthening the economy and infrastructure of his territory, contributing to the development of Weimar as a cultural center in Germany.