Analysis of information sources in references of the Wikipedia article "دودمان یرواندی" in Persian language version.
It is not known whether the Yervandunis were ethnically Armenian. They probably had marriage links to the rulers of Persia and other leading noble houses in Armenia.
Tigran (Tigranes) II was the most distinguished member of the so-called Artašēsid/Artaxiad dynasty, which has now been identified as a branch of the earlier Eruandid [Orontid] dynasty of Iranian origin attested as ruling in Armenia from at least the 5th century B.C.E
The eponym's praenomen Orontes is as Iranian as the dynasty itself..