Lothair I

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Lo·thair I

 (lō-thâr′, -târ′) 795?-855.
Frankish emperor (840-855). The Treaty of Verdun (843) divided Charlemagne's empire into three parts, and Lothair received the Middle Kingdom.

Lothair I

(ləʊˈθɛə)
n
(Biography) ?795–855 ad, Frankish ruler and Holy Roman Emperor (823–30, 833–34, 840–55); son of Louis I, whom he twice deposed from the throne
References in periodicals archive ?
Two of Charlemagne's grandsons, Louis the German and Charles the Bald, cemented their alliance of East Franks and West Franks against their brother, Emperor Lothair I, by taking the Oath of Strasbourg in 842.