Titus Sextius Magius Lateranus was a Roman Senator who lived in the Roman Empire in the second half of the 2nd century and first half of the 3rd century. He was ordinary consul for the year 197 with Cuspius Rufinus as his colleague.Alison E. Cooley, The Cambridge Manual of Latin Epigraphy (Cambridge: University Press, 2012), p. 475
Lateranus was a member of the Republican gens Sextia.Mennen, Power and Status of the Roman Empire, AD 193-284, p.200 He was the son of Titus Sextius Lateranus, consul in 154.
In 195, Lateranus supported the Emperor Septimius Severus in his military campaign against the Parthian Empire, serving as a Dux exercitus,Mennen, Power and Status of the Roman Empire, AD 193-284, p. 199 his only recorded military position.Mennen, Power and Status of the Roman Empire, AD 193-284, pp. 204f In recognition of this service, the emperor rewarded Lateranus with an ordinary consulship in 197.
As Lateranus was a very wealthy, powerful, and influential Roman Patrician, he owned a house in Rome near the emperor.Mennen, Power and Status of the Roman Empire, AD 193-284, p. 205
References
Sources I. Mennen, Power and Status of the Roman Empire, AD 193-284, BRILL, 2011