The Unelli or Veneli were one of the Armoric

Armorica

Armorica or Aremorica is the name given in ancient times to the part of Gaul that includes the Brittany peninsula and the territory between the Seine and Loire rivers, extending inland to an indeterminate point and down the Atlantic coast...

 or maritime states of Gallia

Gaul

Gaul was a region of Western Europe during the Iron Age and Roman era, encompassing present day France, Luxembourg and Belgium, most of Switzerland, the western part of Northern Italy, as well as the parts of the Netherlands and Germany on the left bank of the Rhine. The Gauls were the speakers of...

. (B. G.

Commentarii de Bello Gallico

Commentarii de Bello Gallico is Julius Caesar's firsthand account of the Gallic Wars, written as a third-person narrative. In it Caesar describes the battles and intrigues that took place in the nine years he spent fighting local armies in Gaul that opposed Roman domination.The "Gaul" that Caesar...

 ii. 34, iii. 11.)

Caesar

Julius Caesar

Gaius Julius Caesar was a Roman general and statesman and a distinguished writer of Latin prose. He played a critical role in the gradual transformation of the Roman Republic into the Roman Empire....

 mentions them with the Veneti

Veneti (Gaul)

The Veneti were a seafaring Celtic people who lived in the Brittany peninsula , which in Roman times formed part of an area called Armorica...

, Osismi, Curiosolitae

Curiosolitae

The Curiosolites or Curiosolitae, were a people in the modern geographical area of Brittany in Celtica who are mentioned by Julius Caesar several times ....

, and other maritime states. The Unelli and the rest submitted to Publius Licinius Crassus

Publius Licinius Crassus

Publius Licinius Crassus is the name of several Romans of the Middle and Late Republic, some with the additional cognomen Dives.-3rd century BC:...

 in 57 BCE

57 BC

Year 57 BC was a year of the pre-Julian Roman calendar. At the time, it was known as the Year of the Consulship of Lentulus and Metellus...

; but in 56 BCE

56 BC

Year 56 BC was a year of the pre-Julian Roman calendar. At the time, it was known as the Year of the Consulship of Lentulus and Philippus...

 it was necessary to send a force again into the country of the Unelli, Curiosolitae, and Lexovii

Lexovii

The Lexovii , were a Celtic people, on the coast of Gallia, immediately west of the mouth of the Seine. When the Veneti and their neighbors were preparing for Julius Caesar's attack , they applied for aid to the Osismii, Lexovii, Namnetes, and others. The Lexovii , were a Celtic people, on the...

. Quintus Titurius Sabinus

Quintus Titurius Sabinus

Quintus Titurius Sabinus, one of Caesar's legates during the Gallic Wars. He is first mentioned in Caesar's campaign against the Remi, in 57 BC, and in the following year he was sent by Caesar with three legions against the Venelli, Curiosolitae, and Lexovii , who were led by Viridovix...

 had the command of the three legions who were to keep the Unelli and their neighbours quiet.