Male Personal name
Confirmed occurences in the Roman Empire:
- Umbilius (Masc, senator), ref: VI 32331 | PIR ID13568
- M. Umbilius Maximinus (Masc, senator), ref: PIR V1 0589 | PIR ID13569
- M. Umbilius Maximinus Praetextatus (Masc, senator), ref: AE 1977, 151 | PIR ID13570