Answer:
Patricians.
Step-by-step explanation:
Patricians served in the Senate of Rome, is the correct answer.
The Roman republic was governed by the Senate. It was responsible for the passing of all the laws and the collection of all types of taxes. The member of the Roman Senate was comprised of the Patrician or the rich class of landowners. The Roman Senate was headed by two consuls. A Senator was elected by the Consuls.