Duke Eric I of Saxe-Lauenburg was a nobleman who ruled in the late 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 I was a member of the House of Ascania, a prominent noble family in Germany. He is known for his involvement in various political alliances and conflicts, which were common during the period. His legacy includes contributions to the development of Saxe-Lauenburg as a significant duchy in northern Germany.