Lothair I

[ loh-thair, -tair ]

noun

1. a.d. 795?–855, king of Germany 840–843; emperor of the Holy Roman Empire 840–855 (son of Louis I).

Lothair I

/ ləʊˈθɛə /

noun

1. Lothair I?795855MFrankishPOLITICS: hereditary ruler ?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