Which Greek Stoic philosopher mentioned two of the four subgroups of the Helvetians that failed in their migration attempt to Gaul?
Posidonius Posidonius (Greek: Ποσειδώνιος, "Poseidonios", meaning "of Poseidon") "of Apameia" (ὁ Ἀπαμεύς) or "of Rhodes" (ὁ Ῥόδιος) (c. 135 BCE – c. 51 BCE), was a Greek Stoic philosopher, politician, astronomer, geographer, historian and teacher native to Apamea, Syria.
Allobroges The Allobroges (Ancient Greek: Άλλόβριγες, Άλλόβρυγες, Άλλόβρoγες ) were a Gallic tribe of ancient Gaul, located between the Rhône River and Lake Geneva in what later became Savoy, Dauphiné, and Vivarais. Their cities were in the areas of modern-day Annecy, Chambéry and Grenoble, the modern "departement" of Isère, and modern Switzerland. Their capital was today's Vienne.