Johann Georg I of Saxe-Eisenach was a German prince born on March 24, 1647. He became the Duke of Saxe-Eisenach in 1683 and ruled until his death in 1698. His reign was marked by efforts to strengthen the duchy and improve its economy. He was a member of the House of Wettin, a prominent dynasty in Germany. Johann Georg I was known for his patronage of the arts and education, contributing to the cultural development of his territory. His leadership helped establish Saxe-Eisenach as a notable principality during the late 17th century.