The Marsi were an ancient people of Italy, whose chief centre was Marruvium, on the eastern shore of Lake Fucinus. The area in which they lived's now called Marsica. They're first mentioned as members of a confederacy with the Vestini, Paeligni and Marrucini. They joined the Samnites in 308 BC, and on their submission became allies of Rome in 304 BC. After a short-lived revolt two years later, for which they were punished by loss of territory, they were readmitted to the Roman alliance and rema… (More on Marsi)