 Although he held no post during the reign of Elagabalus, under Alexander Severus he was made consul for a second time in AD 223, alongside Lucius Roscius Aelianus Paculus Salvius Julianus.Marius Maximus had a son, Lucius Marius Maximus, who was consul in AD 232.Marius also had a brother who was a suffect consul around AD 203, Lucius Marius Perpetuus.