Question

Of the Romans "group of three" gods in the Archaic Triad, which one did not have a Greek counterpart?

Answer 1

The Archaic Triad consisted of Romans Jupiter, Mars, and Quirinus. The Greek counterpart of Jupiter was Zeus, and the Greek counterpart of Mars was Ares. Quirinus as of knowledge does not have a Greek counterpart. The answer to this problem is the Roman God, Quirinus.