7 Roman Kings

Which Roman king died a natural death?

Which Roman king revised the system of voting and was murdered by his own son-in-law?

Which Roman king introduced new priests and religious holidays to the city?

Which Roman king established the first Senate in Rome?

Which Roman king was  warlike, conquered much territory, and doubled the population of Rome?

Which Roman king built the port city of Ostia, important for Roman trading?

Which Roman king actually originated from the citry of Rome itself?

Which Roman king built the sewer system known as the Cloaca Maxima?

Which Roman king was the grandson of Numa Pompilius?

Which Roman king was exiled for gross abuse of power and went on to help the enemy attack Rome?