The House of Habsburg-Lothringen, also known as the House of Habsburg, is a royal dynasty that originated in the late Middle Ages. It emerged from the union of the Habsburg and Lothringen families in the 18th century. This house played a significant role in European history, ruling over various territories, including the Holy Roman Empire, Austria, and parts of Hungary and Bohemia. The Habsburg-Lothringen lineage produced many notable figures, including Marie Antoinette and Franz Joseph I. The dynasty is known for its strategic marriages, which expanded its influence across Europe. The house's reign ended with the fall of the Austro-Hungarian Empire after World War I.