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. ?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