His paternal grandfather was the former Emesene Priest King Iamblichus II,[3] while his maternal grandparents were the former Commagenean monarchs Mithridates III of Commagene and his cousin-wife Iotapa.
[1] In the inscription, Sohaemus is honoured as a duumveir quinquennalis; a Patron of the colony at Heliopolis and has been granted the ornamenta consularia [honorary consular status].
Drusilla was the great grandchild of Ptolemaic Greek Queen Cleopatra VII of Egypt and Roman Triumvir Mark Antony.
In 72, Sohaemus supplied troops to the Roman General Lucius Caesennius Paetus who was the head of the Legio VI Ferrata, in the annexation of the Kingdom of Commagene.
Through his son, Sohaemus would have various descendants ruling on the Emesene throne and among those who claimed from his family's ancestry was Queen of Palmyra, Zenobia.