Answer:
The patricians
Step-by-step explanation:
It should be understood that the Roman Republic was founded in 509 B.C.E. just immediately after the last Etruscan king that ruled Rome was overthrown.
Then, the Rome's next government served as a representative democracy in the form of a republic. Prior to that, Rome's wealthiest families, the patricians, held power and only they could hold political or religious offices.