The latter name may be either masculine or feminine. If the latter, the person was probably the wife of Andronicus. If the former, the name is to be rendered Junias, as Rev. The following words point to this conclusion.
Kinsmen (συγγενεῖς)
The primary meaning is related by blood; but it is used in the wider sense of fellow-countrymen. So Rom 9:3.
Of note (ἐπίσημοι)
A good rendering etymologically, the word meaning, literally, bearing a mark (σῆμα, nota).