The chieftain called by Latins Donnus was the ruler of the Ligurian tribes inhabiting the mountainous region now known as the

Cottian Alps The Cottian Alps (; french: Alpes Cottiennes ; it, Alpi Cozie ) are a mountain range in the southwestern part of the Alps. They form the border between France (Hautes-Alpes and Savoie) and Italy (Piedmont). The Fréjus Road Tunnel and Fréjus Rai ...

during the 1st century BC. Although initially an opponent of

Julius Caesar Gaius Julius Caesar (; ; 12 July 100 BC – 15 March 44 BC), was a Roman general and statesman. A member of the First Triumvirate, Caesar led the Roman armies in the Gallic Wars before defeating his political rival Pompey in a civil war, and ...

during the latter's conquest of

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 during ...

, Donnus later made peace with him. Donnus' son and successor,

Cottius Marcus Julius Cottius was King of the Celtic and Ligurian inhabitants of the mountainous Roman province then known as '' Alpes Taurinae'' and now as the Cottian Alps early in the 1st century BC. Son and successor to King Donnus, he negotiated a ...

, initially maintained his independence in the face of Augustus' effort to subdue the various Alpine tribes, but afterwards agreed to an alliance, and the family continued to rule the region as

prefect Prefect (from the Latin ''praefectus'', substantive adjectival form of ''praeficere'': "put in front", meaning in charge) is a magisterial title of varying definition, but essentially refers to the leader of an administrative area. A prefect's ...

s of

Rome , established_title = Founded , established_date = 753 BC , founder = King Romulus (legendary) , image_map = Map of comune of Rome (metropolitan city of Capital Rome, region Lazio, Italy).svg , map_caption ...

, until Nero annexed the dominion as the

province A province is almost always an administrative division within a country or sovereign state, state. The term derives from the ancient Roman ''Roman province, provincia'', which was the major territorial and administrative unit of the Roman Empire ...

Alpes Cottiae The Alpes Cottiae (; English: 'Cottian Alps') were a small province of the Roman Empire founded in 63 AD by Emperor Nero. It was one of the three provinces straddling the Alps between modern France and Italy, along with the Alpes Graiae et Poenin ...

. His name was first cited in the Arch of Augustus of

Susa Susa ( ; Middle elx, 𒀸𒋗𒊺𒂗, translit=Šušen; Middle and Neo- elx, 𒋢𒋢𒌦, translit=Šušun; Neo-Elamite and Achaemenid elx, 𒀸𒋗𒐼𒀭, translit=Šušán; Achaemenid elx, 𒀸𒋗𒐼, translit=Šušá; fa, شوش ...

engraving.

References

2. Bartolomasi N. (1975) - Valsusa Antica - Alzani 1st-century BC rulers in Europe {{Europe-royal-stub

See also

References