Oppius probably belonged to a substantial family of Roman bankers. […] On the family, cf. also BG 7, 65, 2. […] Is he perhaps of the family of the proscribed Samnite, Cn. […] Cusinius, ILS 965: for another member of the family, PIR2, C 1628. […] A.D. 1) presumably belong to the same family.