They had a son, Philip II. The Latin history "Epitome de Caesaribus" says that Philip II was born in 236 or 237. Only the Greek historian John of Antioch says Philip had other sons. Philip made his son Philip II his "caesar" (junior emperor) in July or August 244. After July or August 244, Marcia Otacilia Severa also had the title . In July or August 247, Philip made his son his "augustus" (co-emperor).