Of Gallic origin (among the Bituriges). Together with other syndexioi, he offered the remarkable bifacial relief of Dieburg. The inscription mentions two craftsmen brothers, one a sculptor and the other a shoemaker, as well as their son and nephew.
Silvestrius Silvinus is certainly the sculptor (quadratarius) who made the relief. His name also appears on a statue of Diana of Dieburg.
The relief of Dieburg shows Mithras riding a horse as main figure, surrounded by several scenes of the myth.
[Side A:] D(eo) i(nvicto) M(ithrae) / Silves/trius / Silvi/nius et Silvestrius Pe[rpetus et A]urelius nepos / v(otum) s(olverunt) l(ibentes) l(aeti) m(erito). /
Perpetus fra/te[r] artis sutor(iae). / Silvinus ar/tis quadratari/ae Aureli[us ---] d(ono) d(ederunt).
[Side B:] D(eo) S(oli) i(nvicto) M(ithrae) Silvestrius Sil(v)inu[s] et Silvestrius Perpetus et Silvinius Aurelius.
[Side A:] To the invincible god Mithras, Silvestrius Silvinus, Silvestrius Perpetus and Silvinius Aurelius.
[Side B:] To the invincible god Mithras, Silvestrius Silvinus, Silvestrius Perpetus and [Silvinus?] Aurelius, their nephew, fulfilled their vow willingly, gladly and deservedly. Perpetus, brother, a cobbler by trade, and Silvinus, a sculptor by trade, Aurelius [---] gave this as a gift.