William II, Prince of Orange (1626-1650), was a significant figure in the history of the Dutch Republic. He was the son of Maurice of Nassau, a prominent military leader, and became the head of the House of Orange-Nassau after his father's death. William II played a crucial role in the political and military affairs of the Republic during a time of conflict with Spain. As a military commander, William II sought to strengthen the position of the House of Orange and expand its influence. His tenure was marked by tensions with the States General, the governing body of the Republic, which ultimately led to his untimely death at the age of 24, leaving a complex legacy in Dutch history.