Marcus Ulpius Eubiotus Leurus was a Roman senator, who was active during the first part of the third century.

Life He was suffect consul in one of the nundinia around the year 230.Paul M. M. Leunissen, Konsuln und Konsulare in der Zeit von Commodus bis Severus Alexander (Amsterdam: J.C. Gieben, 1989), p. 194 He is known entirely from inscriptions.

He was the son of Marcus Ulpius Leurus and Flavia Habroea, natives of Hypata.Leunissen, Konsuln und Konsulare, p. 368 Two of his sons are known: Marcus Ulpius Flavius Tisamenus, and Marcus Ulpius Pupienus Maximus.James H. Oliver, "The Sacred Gerusia", Hesperia Supplements, 6 (1941), pp. 130, 131 Based on the similarity of his youngest son's name to that of the ephemeral emperor Marcus Clodius Pupienus Maximus, John H. Oliver suggests he may have had some familial connection to the emperor, though he concedes that whether any such relationship existed will remain uncertain.Oliver, "Sacred Gerusia", p. 132 The classicist Ronald Syme suggests that he may have married Pupiena Sextia Paulina Cethegilla, the emperor Pupienus's daughter.Syme, Emperors and biography: studies in the Historia Augusta (Oxford: Clarendon Press, 1971), pp. 173f

Portions of his cursus honorum are known from an inscription found in Athens praising his generosity during a time of famine.Text, translation, and commentary at Oliver, "Sacred Gerusia", pp. 125-141 Leurus was eponymous archon of Athens for the term 229/230, and an agonothete of the Panathenaic Games.

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