Leopold VI, Duke of Austria was a member of the House of Babenberg, born in 1176. He ruled as Duke of Austria from 1198 until his death in 1230. Leopold VI was known for his efforts to expand and consolidate the territories of Austria, as well as for his involvement in the politics of the Holy Roman Empire. During his reign, Leopold VI supported the Crusades and maintained strong ties with the Church. He was also a patron of the arts and culture, contributing to the development of cities like Vienna. His leadership helped lay the foundation for the future growth of the Austrian state.