S / Sĕrēnus
noun

Sĕrēnus

gen. Sĕrēni · gender masculine · decl. 2nd
a proper name
a proper name.
a physician under Septimius Severus
Q. Serenus Sammonicus, a physician under Septimius Severus, Spart. Get. 5, 5; Macr. 3, 16, 6.—
son of the preceding; author of a poem; still extant
Q. Serenus Sammonicus, son of the preceding, author of a poem, De Medicina, still extant, Lampr. Alex. 30, 2; cf. Teuffel's Roem. Lit. 379, 4.—
the wife of Stilicho; and mother-in-law of the emperor Honorius
Serena, the wife of Stilicho, and mother-in-law of the emperor Honorius, celebrated by Claudian in a special poem (Laus Serenae Reginae).