Juventius

Variant spelling of Iuventius, which is derived from the Latin noun iuventus meaning "youth". Also compare Juventas, which is etymologically related and also has the same meaning.

Saint Juventius (known as Juvence in French) was a bishop of Pavia (Italy) during the 1st century. Together with Syrus of Pavia he was sent there by saint Hermagoras. Both Juventius and Syrus are reported to have been the first bishop of Pavia.