Sunno was a leader (dux) of the

Franks The Franks ( la, Franci or ) were a group of Germanic peoples whose name was first mentioned in 3rd-century Roman sources, and associated with tribes between the Lower Rhine and the Ems River, on the edge of the Roman Empire.H. Schutz: Tools, ...

in the late 4th century who invaded the

Roman Empire The Roman Empire ( la, Imperium Romanum ; grc-gre, Βασιλεία τῶν Ῥωμαίων, Basileía tôn Rhōmaíōn) was the post- Republican period of ancient Rome. As a polity, it included large territorial holdings around the Medite ...

in the year 388 when the usurper and leader of the whole of Roman

Gaul Gaul ( la, Gallia) was a region of Western Europe first described by the Romans. It was inhabited by Celtic and Aquitani tribes, encompassing present-day France, Belgium, Luxembourg, most of Switzerland, parts of Northern Italy (only durin ...

Magnus Maximus Magnus Maximus (; cy, Macsen Wledig ; died 8 August 388) was Roman emperor of the Western Roman Empire from 383 to 388. He usurped the throne from emperor Gratian in 383 through negotiation with emperor Theodosius I. He was made emperor in ...

was surrounded in

Aquileia Aquileia / / / / ;Bilingual name of ''Aquileja – Oglej'' in: vec, Aquiłeja / ; Slovenian: ''Oglej''), group=pron is an ancient Roman city in Italy, at the head of the Adriatic at the edge of the lagoons, about from the sea, on the river ...

Theodosius I Theodosius I ( grc-gre, Θεοδόσιος ; 11 January 347 – 17 January 395), also called Theodosius the Great, was Roman emperor from 379 to 395. During his reign, he succeeded in a crucial war against the Goths, as well as in two ...

. The invasion is documented by

Gregory of Tours Gregory of Tours (30 November 538 – 17 November 594 AD) was a Gallo-Roman historian and Bishop of Tours, which made him a leading prelate of the area that had been previously referred to as Gaul by the Romans. He was born Georgius Florent ...

who cited the now-lost work of

Sulpicius Alexander Sulpicius Alexander (fl. late fourth century) was a Roman historian of Germanic tribes. His work is lost, but his ''Historia'' in at least four books is quoted by Gregory of Tours. It was perhaps a continuation of the ''Res gestae'' by Ammianus Ma ...

. According to this account,

Marcomer Marcomer (died after 392), also spelled Marcomeres, Marchomer, Marchomir, was a Frankish leader (''dux'') in the late 4th century who invaded the Roman Empire in the year 388, when the usurper and leader of the whole of Roman Gaul, Magnus Maximu ...

, Sunno and Genobaud invaded the Roman provinces

Germania Inferior Germania Inferior ("Lower Germania") was a Roman province from AD 85 until the province was renamed Germania Secunda in the fourth century, on the west bank of the Rhine bordering the North Sea. The capital of the province was Colonia Agrippine ...

and

Belgia Belgium, ; french: Belgique ; german: Belgien officially the Kingdom of Belgium, is a country in Northwestern Europe. The country is bordered by the Netherlands to the north, Germany to the east, Luxembourg to the southeast, France to the ...

. They broke through the

limes Limes may refer to: * the plural form of lime (disambiguation) * the Latin word for ''limit'' which refers to: ** Limes (Roman Empire) (Latin, singular; plural: ) is a modern term used primarily for the Germanic border defence or delimitin ...

and killed many people, destroyed the most fruitful lands and made the city of

Cologne Cologne ( ; german: Köln ; ksh, Kölle ) is the largest city of the German western state of North Rhine-Westphalia (NRW) and the fourth-most populous city of Germany with 1.1 million inhabitants in the city proper and 3.6 millio ...

panic. After this raid the main body of the Franks moved back over the river

Rhine The Rhine ; french: Rhin ; nl, Rijn ; wa, Rén ; li, Rien; rm, label=Sursilvan, Rein, rm, label=Sutsilvan and Surmiran, Ragn, rm, label=Rumantsch Grischun, Vallader and Puter, Rain; it, Reno ; gsw, Rhi(n), including in Alsatian dialect, Al ...

with their booty while some remained in the Belgian woods. When the Roman generals Magnus Maximus, Nanninus and Quintinus heard the news in

Trier Trier ( , ; lb, Tréier ), formerly known in English as Trèves ( ;) and Triers (see also names in other languages), is a city on the banks of the Moselle in Germany. It lies in a valley between low vine-covered hills of red sandstone in the ...

, they attacked those remaining Frankish forces and killed many of their number. After this engagement, Quintinus crossed the

to punish the Franks in their own country, however his army was surrounded and beaten. Some Roman soldiers drowned in the marshes, others were killed by Franks, few made it back to their empire. Nanninus and Quintinus were replaced by

Charietto Charietto was an Ancient German headhunter and bounty hunter who worked for the Romans. He operated on the Rhine frontier near Treverorum. According to Zosimus, Charietto saw barbarian raiders crossing the Rhine and determined to take action ...

and Syrus, who were again confronted by an attack of unidentified Franks. Later after the fall of Magnus Maximus, Marcomer and Sunno held a short meeting about the recent attacks with the Frank Arbogastes, who was a general (magister militum) in the Roman army. The Franks delivered hostages as usual and Arbogastes returned to his winter quarters in Trier. A couple of years later when Arbogastes had seized power and the West Roman army was nearly completely in the hands of Frankish mercenaries, he crossed the Rhine with a Roman army into Germania because he hated his own kin. Marcomer was seen with

Chatti The Chatti (also Chatthi or Catti) were an ancient Germanic tribe whose homeland was near the upper Weser (''Visurgis''). They lived in central and northern Hesse and southern Lower Saxony, along the upper reaches of that river and in the val ...

and

Ampsivarii The Ampsivarii, sometimes referenced by modern writers as Ampsivari (a simplification not warranted by the sources), were a Germanic tribe mentioned by ancient authors. Their homeland was originally around the middle of the river Ems, which flo ...

but the two did not engage. Later we hear from the poet

Claudian Claudius Claudianus, known in English as Claudian (; c. 370 – c. 404 AD), was a Latin poet associated with the court of the Roman emperor Honorius at Mediolanum (Milan), and particularly with the general Stilicho. His work, written almost en ...

that Marcomer was arrested by Romans and banned to a villa in Tuscany. His brother Sunno crossed the Rhine and tried to set himself up as leader of Marcomer's band, but he was killed by his own people. According to the later

Liber Historiae Francorum ''Liber Historiae Francorum'' ( en, link=no, "The Book of the History of the Franks") is a chronicle written anonymously during the 8th century. The first sections served as a secondary source for early Franks in the time of Marcomer, giving a ...

, Marcomer tried to unite the Franks after the death of Sunno. He proposed that the Franks should live under one king and proposed his own son Pharamond for the kingship. This source does not tell us if Marcomer succeeded but from other sources it may seem that Pharamond was regarded as the first king of the Francs. However, this account of the ''Liber Historiae Francorum'' is not accepted as historical by modern scholars such as Edward James because Marcomer is therein called the son of the Trojan king

Priam In Greek mythology, Priam (; grc-gre, Πρίαμος, ) was the legendary and last king of Troy during the Trojan War. He was the son of Laomedon. His many children included notable characters such as Hector, Paris, and Cassandra. Etymology ...

, and Sunno the son of

Antenor __NOTOC__ Antenor ( grc-gre, Ἀντήνωρ, ''Antḗnōr''; BC) was an Athenian sculptor. He is recorded as the creator of the joint statues of the tyrannicides Harmodius and Aristogeiton funded by the Athenians on the expulsion of Hipp ...

, obviously impossible because Priam and Antenor lived hundreds of years earlier.

Sources

, Historiën, Book II - paragraph 9. *

, Loeb classical Library, On Stilicho's Consulship (translation Platnauer) *Edward James, De Franken {{Authority control Frankish kings Frankish warriors 4th-century Frankish people 4th-century monarchs in Europe