Duumvirs

Duumvirs , magistrates two, instituted in the ancient Rome for certain special, generally temporary functions.

One distinguished:

of the Duumvirs frumentaires , charged in Rome to distribute corn to the people; this function was assumed in a permanent way under the Empire by the Préfet of the annone, making useless the nomination of duumvirs frumentaires
of the Duumvirs builders , dedicators, charged with making build a temple or to make the colonial or municipal dedication
of it Duumvirs , higher magistrates of the colony S or Municipe S, which fulfilled the functions equivalent to those there of the Consul S of Rome and had the row of it.
of the Duumvirs quinquennial , duumvirs colonial or municipal, elected every five years, and carrying out then the functions of critic in their city (actualization of the lists of citizens, according to their row)

Source

Random links: