Leutharis, Leuthari, Leuthard, or Leutharius II (fl. c. 643) was the Duke of Alamannia in the early seventh century.

Leuthari murdered Otto

Otto (mayor of the palace)

Otto was the mayor of the palace of Austrasia briefly in the mid-seventh century.Otto was the son of a domesticus named Uro who served in the court of Dagobert I. Otto was raised with Dagobert's son Sigebert III and subsequently acted as Sigebert III's baiolos...

, the mayor of the palace

Mayor of the Palace

Mayor of the Palace was an early medieval title and office, also called majordomo, from the Latin title maior domus , used most notably in the Frankish kingdoms in the 7th and 8th centuries....

 of Austrasia

Austrasia

Austrasia formed the northeastern portion of the Kingdom of the Merovingian Franks, comprising parts of the territory of present-day eastern France, western Germany, Belgium, Luxembourg and the Netherlands. Metz served as its capital, although some Austrasian kings ruled from Rheims, Trier, and...

, in 643. By doing so he made Grimoald I the mayor of the palace for Sigebert III

Sigebert III

Sigebert III was the king of Austrasia from 634 to his death; probably on 1 February 656, or maybe as late as 660. He was the eldest son of Dagobert I....

. It is not known exactly what the duchy of Leuthari consisted of, since there was an Alamannic duke named Gunzo

Gunzo

Gunzo was a 7th century duke of the Alamanni under Frankish sovereignty. His residence was at villa Iburninga at Lake Constance...

 from the same time. Perhaps they co-ruled the same territory, or perhaps there were two Alamannic duchies. The duchy of Alsace

Duchy of Alsace

The Duchy of Alsace was a large political subdivision of the Frankish Empire during the last decade and a half of Merovingian rule. It corresponded to the territory of Alsace and was carved out of southern Austrasia in the last decade of the reign of Dagobert I, probably to stabilise the southern...

 under Gundoin was also partly Alamannic.

Sources

• Bachrach, Bernard S.
  Bernard Bachrach
  Bernard S. Bachrach is an American historian and a professor of history at the University of Minnesota. He specialises in the Early Middle Ages, mainly on the topics of Medieval warfare, Medieval Jewry, and early Angevin history...
  
   Merovingian Military Organization, 481–751. Minneapolis: University of Minnesota Press, 1971. ISBN 0 8166 0621 8
• Geuenich, Dieter. Geschichte der Alemannen. Stuttgart: Verlag Kohlhammer, 2004. ISBN 3 1701 8227 7
• Wallace-Hadrill, J. M.
  John Michael Wallace-Hadrill
  John Michael Wallace-Hadrill CBE was Professor of Mediaeval History at the University of Manchester , a Senior Research Fellow of Merton College in the University of Oxford , Chichele Professor of Modern History, University of Oxford and a Fellow, All Souls College, Oxford...
  
  , translator. The Fourth Book of the Chronicle of Fredegar with its Continuations. Connecticut: Greenwood Press, 1960.