What is the name of the two groups of citizens who could vote in elections in the Roman Republic?

Quaestors, and curule aediles were elected by the tribal assembly, while tribunes and plebeian aedilea were elected by the plebeian council.

Plebeians and patricians

Explanation:

The power, privilege and influence of leading families derived from their wealth, in particular from their landholdings, their position as patrons, and their numerous clients.