The House of Welf is a prominent noble family in Europe, with origins tracing back to the 9th century. It played a significant role in the history of Germany and other regions, particularly during the Middle Ages. The family produced several important rulers, including the Dukes of Bavaria and the Kings of England. Throughout its history, the House of Welf has been involved in various political alliances and conflicts, notably with the House of Hohenstaufen. The family's influence extended beyond Germany, impacting regions like Italy and England through marriages and territorial claims.