Isias
Isias, surnamed Philostorgos or Philostorgus was a Princess of Cappadocia who lived in the 1st century BC. Through her marriage to King Antiochus I Theos of Commagene, she became the Queen of Commagene. Very little is known on her. She was half Persian and half Greek. Isias was the daughter of King Ariobarzanes I of Cappadocia and his wife Queen Athenais Philostorgos I, while her brother was King Ariobarzanes II of Cappadocia.
Isias and Antiochus I had five children who were:
She appeared to have died of unknown causes sometime between the late 30s or early 20s BC. Isias was buried along with her daughter and her granddaughter on a burial site called the Karakuş Tumulus.
Isias’ name also appears in another honorific inscription dedicated by Mithridates II at the tomb of her other daughter Laodice:
Sometime after the Kingdom of Commagene was annexed in 72 CE by the Roman Emperor Vespasian, the vault of the tomb was looted.