Filiolus, filioli, m. g. pen cor. Diminut. Cic.A little sonne.Auctus filiolo. Ci. Richer by one sonne: hauing a sonne more borne.Filiolus tibi nascitur.Iuuen.
Lewis and Short: Latin dictionary
fīlĭŏlus, i, m.dim. [filius], a little son: filiolo me auctum scito salva Terentia, Cic. Att. 1, 2, 1; Plaut. Capt. 4, 2, 96; id. Truc. 2, 8, 10; 4, 3, 31; Juv. 6, 390 al.