John II, Duke of Brabant was a nobleman who ruled from 1355 until his death in 1406. He was born in 1340 and was the son of John I, Duke of Brabant and Margaret of Male. John II is known for his efforts to strengthen the duchy and improve its economy, particularly through trade. During his reign, John II faced various challenges, including conflicts with neighboring territories. He was involved in the Hundred Years' War and sought alliances to protect his duchy. His leadership helped maintain the stability of Brabant, contributing to its historical significance in the region.