Kammala wannan jumlar: Babu wata hukuma a cikin lardin Narbonese na Kaisar da ta shiga cikin
Pan-Gallic tawaye na 52 BC, kuma ba a shiga cikin kowane aikin da aka sani ba game da Roma a lokacin yakin. Iyalin Troucillus, a zahiri, suna taka muhimmiyar rawa wajen tabbatar da bayan Kaisar ta hanyar yaƙi da Vercingetorix, wanda ya aika da sojoji don mamaye yankin Helvian. A cikin tarihinsa na Vivarais na 1861, Abbé Rouchier ya yi hasashen cewa Kaisar, ganin amfani da dabarun yankin Helvian a kan iyakar lardin Roman tare da babbar hanya zuwa tsakiyar Gaul, ya sami damar noma Valerii ta hanyar gyara matakan horo da aka ɗauka akan "civitas" da Pompeius Magnus ("Pompey the Great") a cikin 70s. A lokacin rabuwa da Quintus Sertorius a Spain, an yi amfani da tsarin siyasa na Celtic a cikin Gaul na Bahar Rum don tara sojoji da tilasta buƙata don tallafawa ƙoƙarin soja na Metellus Pius, Pompeius, da sauran kwamandojin Romawa a kan 'yan tawaye. Amma, wasu 'yan Celtic sun goyi bayan Sertorius. Bayan da aka kashe Romawan da ya yi ridda, Metellus da Pompeius sun yi shelar nasara, kuma aka tilasta wa Helvii tare da Volcae Arecomici su ba da wani ɓangare na ƙasashensu ga birnin Massilia na ƙasar Girka (Marseilles na zamani), wanda ya kasance abokin gaba mai aminci na Roma na ƙarnuka da yawa, wanda ke da kyau a bakin Rhône. Kaisar ya ambaci asarar ƙasa a cikin asusunsa na yakin basasa, ba tare da yin cikakken bayani game da ayyukan Helvian da Roma ba. A lokacin yaƙe-yaƙe na Romawa na 40s, Massilia ya zaɓi ya ci gaba da kasancewa da dangantaka ta tsawon lokaci tare da Pompeius har ma a ware, yayin da 'yan siyasar Gallic na Narbonensis suka ci gaba da tallafawa Kaisar. Kaisar ya kewaye Massiliots kuma ya ci su, kuma a sakamakon haka sun rasa 'yancin kansu, da kuma yiwuwar ƙasar da suka karɓa daga Helvii. Rouchier ya ba da cikakken hoto game da Troucillus a cikin tarihinsa, yana kallon matashin Celtic mai ilimi ta wurin idanun Kaisar a matsayin misali na kyakkyawan tunani a Roma.