Sebastian, an Italian grammarian of the 16th century, taught the Greek and Latin tongues at Reggio, where he formed an academy of polite literature; and at length removed to Bologna, in order to be professor of those languages. He wrote several works, the most esteemed of which are, "Quæstura in qua Ciceronis vita refertur," an excellent performance; and, "de Lingua Latina." He died at 1556.