Justinian III was a king of Westmarch.
During his reign, the Cartolus Insurrection occurred.[1] Countess Julia attempted to put down the insurrection with her own personal guard, in an effort to impress the king, but failed miserably. So displeased, Justinian had her tortured and executed.[2]
Whether it be in his reign or not, the rebels took the palace, but were eventually crushed by Justinian's grandson, Cornelius.[1]