Orontid dynasty

The Orontid dynasty, also known as the Eruandids or Eruandunis, ruled the Satrapy of Armenia until 330 BC and the Kingdom of Armenia from 321 BC to 200 BC. The Orontids ruled first as client kings or satraps of the Achaemenid Empire and after the collapse of the Achaemenid Empire established an independent kingdom. Later, a branch of the Orontids ruled as kings of Sophene and Commagene. They are the first of the three royal dynasties that successively ruled the ancient Kingdom of Armenia (321 BC–428 AD). Although the overthrow of Orontes IV and the accession of Artaxias I to the throne of Armenia in the early 2nd century BC is traditionally treated as the start of a new dynasty, Artaxias probably belonged to a branch of the Orontid dynasty. His descendants ruled Armenia until the 1st century AD.