 Despite his widespread popularity, Probus was killed in a mutiny of the soldiers while in the middle of preparations for the Persian war, which would be carried out under his successor Carus.Probus was born between 230 and 235 (exact date of birth unknown) in Sirmium (modern day Sremska Mitrovica), Pannonia Inferior, the son of Dalmatius.According to the Alexandrian Chronicle, he was born sometime in the year 232.