Leopold III, Margrave of Austria was a nobleman who lived during the 12th century. He was born around 1073 and became the Margrave of Austria in 1136. Leopold was a member of the Babenberg dynasty and played a significant role in the expansion and consolidation of Austrian territories during his reign. Leopold III is also known for his pious nature and dedication to the church. He was canonized as a saint by the Catholic Church in 1485, recognized for his charitable works and commitment to the welfare of his people. His legacy continues to influence Austrian history and culture.