Suomarius () was an Alemannic petty king in the 4th century. The

Roman Roman or Romans most often refers to: *Rome, the capital city of Italy *Ancient Rome, Roman civilization from 8th century BC to 5th century AD *Roman people, the people of Roman civilization *Epistle to the Romans, shortened to Romans, a letter w ...

historian

Ammianus Marcellinus Ammianus Marcellinus, occasionally anglicized as Ammian ( Greek: Αμμιανός Μαρκελλίνος; born , died 400), was a Greek and Roman soldier and historian who wrote the penultimate major historical account surviving from antiquit ...

reports that after a victorious battle against the Roman general

Barbatio Barbatio (died AD 359) was a Roman general of the infantry ( Magister Peditum = Master of Foot) under the command of Constantius II. Previously he was a commander of the household troops (''protectores domestici'') under Gallus Caesar, but he arr ...

in 357, the Alemannic kings Suomarius, Hortarius,

Urius Urius () was an Alemannic petty king in the 4th century AD. The Roman writer Ammianus Marcellinus reports that Julian crossed the Rhine at Mainz in 359 and concluded a peace treaty with the Alemannic kings Urius, Hariobaudes, Macrian, Vadomar ...

, Ursicinus and

Vestralpus Vestralpus () was an Alemannic petty king of the Bucinobantes in the 4th century AD. The Roman historian Ammianus Marcellinus reports that Julian crossed the Rhine at Mainz in 359 and concluded peace treaties with the Alemannic kings Vestralpus ...

united under the leadership of Chnodomarius and

Agenaric Agenaric (; ), also called Serapio, was an Alemannic prince in the 4th century. Agenaric was the son of petty king Mederic and the nephew of another petty king, Chnodomarius. In 357, together with his uncle, Agenaric commanded the Alemannic ar ...

and fought the Romans at the

Battle of Strasbourg The Battle of Strasbourg, also known as the Battle of Argentoratum, was fought in 357 between the Western Roman army under Julian and the Alamanni tribal confederation led by the joint paramount King Chnodomar. The battle took place near Str ...

. After losing the battle, Suomarius asked the Roman commander Severus to spare his life and provide him with land, which Severus did in return for soldiers and supplies. In 358, the future

emperor The word ''emperor'' (from , via ) can mean the male ruler of an empire. ''Empress'', the female equivalent, may indicate an emperor's wife (empress consort), mother/grandmother (empress dowager/grand empress dowager), or a woman who rules ...

Julian concluded a peace treaty with Suomarius. This treaty was not renewed by Julian's successor

Valentinian I Valentinian I (; 32117 November 375), also known as Valentinian the Great, was Roman emperor from 364 to 375. He ruled the Western Roman Empire, Western half of the empire, while his brother Valens ruled the Byzantine Empire, East. During his re ...

References

* Dieter Geuenich: Geschichte der Alemannen (Kohlhammer-Urban-Taschenbücher. 575). 2., überarbeitete Auflage.

Kohlhammer Verlag W. Kohlhammer Verlag GmbH, or Kohlhammer Verlag, is a German publishing house headquartered in Stuttgart. History Kohlhammer Verlag was founded in Stuttgart on 30 April 1866 by . Kohlhammer had taken over the businesses of his late father-in-la ...

, Stuttgart 2005, ., pp. 44, 54 (German) * Thorsten Fischer, Hermann Reichert: Suomar. In: Reallexikon der Germanischen Altertumskunde (RGA). 2. Auflage. Band 30, Walter de Gruyter, Berlin / New York 2005, , p. 136 (German). 4th-century Germanic people Alemannic monarchs Alemannic warriors 4th-century monarchs in Europe {{Europe-royal-stub