 To the northeast, they were neighbors to the Segovellauni, separated perhaps by a ridge between the Eyrieux and the Ouvèze rivers.In the 70s BC, following the civil war between the aristocratic faction of Sulla and the remnants of the supporters of Marius and Cinna, the Roman popularist Quintus Sertorius refused to yield Spain to the Sullan dictatorship.His secession sparked the Sertorian War, during which Celtic polities in Mediterranean Gaul were subjected to troop levies and forced requisitions to support the military efforts of Metellus Pius, Pompeius Magnus ("Pompey the Great"), and other Roman commanders against the rebels.