Severa

Marcia Otacilia Severa (3rd century AD) was the wife of Philip the Arab, and the two had one daughter and one son. She was honored with title Augusta by her husband There are no coins with Severa portrayed after her death.
In 244, the current emperor, Gordianus, died. It is suspected that he was murdered, and that Severa might have been involved in order to make her husband emperor.