This would be a dynasty! For example, the last Dynasty was the Qing (ruling 1644-1911), and before that was the Ming, and before that the Yuan dynasty.
<u><em>During the First triumvirate the political order was in chaos and the Republic was in a serious difficulty moment. Basically what happened during the First and second Triumvirates in Rome was that the leaders of Military forces appropriated illegally of the power started to dominate the Roman.</em></u>