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Lotharingia (Latin: regnum Lotharii, regnum Lothariense, Lotharingia; French: Lotharingie; German: Reich des Lothar, Lotharingien, Mittelreich; Dutch: Lotharingen) was a short-lived medieval successor kingdom of the Carolingian Empire. As a more durable later duchy of the Ottonian Empire, it comprised present-day Lorraine (France), Luxembourg, Saarland (Germany), The Netherlands, and the eastern half of Belgium, along with parts of today's North Rhine-Westphalia (Germany), Rhineland-Palatinate (Germany) and Nord (France). It was named after King Lothair II, who received this territory after his father Lothair I's kingdom of Middle Francia was divided among his three sons in 855.