Darius II of Media Atropatene, also known as Darius (flourished second half of 1st century BC and the first half of 1st century AD) was a prince from the Kingdom of Media Atropatene who through marriage was a relation of the Arsacid Kings of Parthia. Background Darius II was of Median, Armenian and Greek descent. He was the second son and among the children born to Artavasdes I of Media Atropatene and his wife, Athenais. He was born and raised in Media Atropatene. He could have been named after Darius I, a previous ruling King of Media Atropatene and the probable uncle of Artavasdes I. Darius II was a direct descendant of the extended family of the Persian King Darius I. Marriage Between 15 BC and 10 BC Darius II married an unnamed Arsacid Parthian Princess, who was a relation to the King Vonones I of Parthia. Darius II was the third Seleucid descendant and the only known male descendant of Seleucus I Nicator to have married into the Arsacid dynasty of Parthia. Little is known about Darius II’s marriage to the unnamed Parthian princess. Ancestry