Duke Eric III of Saxe-Lauenburg was a nobleman who ruled in the 15th century. He was born in 1450 and became Duke in 1471, leading the duchy until his death in 1508. His reign was marked by efforts to strengthen the duchy's position in the region and maintain peace among neighboring territories. Eric III was part of the House of Ascania, a prominent noble family in Germany. His rule contributed to the political landscape of northern Germany during a time of significant change, including the rise of the Hanseatic League and various territorial disputes among local rulers.