The House of Saxe-Weimar-Eisenach was a German noble family that originated in the 13th century. It was part of the larger House of Wettin and ruled over the regions of Weimar and Eisenach in present-day Thuringia. The family played a significant role in the cultural and political landscape of Germany, particularly during the German Empire. The house produced several notable figures, including Johann Wolfgang von Goethe and Friedrich Schiller, who were influential in German literature. The family also contributed to the development of the Weimar Republic after World War I, marking a significant period in German history.