Count Ludwig of Barby was a nobleman from the House of Barby, a prominent family in the Holy Roman Empire. He ruled over the small principality of Barby in the 16th century, a region located in present-day Germany. His reign was marked by efforts to strengthen his territory and maintain its independence amidst the political complexities of the time. Ludwig was known for his involvement in local governance and his support for the Reformation. He played a role in the religious transformations occurring in Europe, aligning with Protestant ideals. His leadership contributed to the cultural and political landscape of the region during a significant period in history.