I. Didio Iuliano, qui post Pertinacem imperium adeptusest, proavus fuit Salvius1 Iulianus, bis consul, praefectus urbi et iuris consultus, quod magis eum 2nobilem fecit, mater Clara Aemilia, pater Petronius Didius Severus, fratres Didius Proculus et Nummius Albinus, avunculus Salvius Iulianus. avus paternus Insubris Mediolanensis, maternus ex Hadrumetina colonia.
3Educatus est apud Domitiam Lucillam, matrem Marci imperatoris.4 inter viginti viros lectus est suffragio matris Marci. quaestor ante annum quam 5legitima aetas sinebat designatus est. aedilitatem suffragio Marci consecutus est. praetor eiusdem 6suffragio fuit. post praeturam legioni praefuit in
I. Didius Julianus, who gained possession of the empire after Pertinax, was the great-grandson of Salvius Julianus,1 a man who was twice consul, prefect of the city, and an authority in jurisprudence—which, more than anything else, had made him famous. His mother was Aemilia Clara, his father Petronius Didius Severus, his brothers Didius Proculus and Nummius Albinus; another Salvius Julianus was his uncle. His father’s father was an Insubrian from Milan, his mother’s came from the colony of Hadrumetum.
He himself was reared at the home of Domitia Lucilla,2 the mother of the Emperor Marcus, and through the support of this lady he was elected to the Board of Twenty.3 He was appointed quaestor a year before he reached the legal age,4 and through the support of Marcus he attained to the office of aedile. Again with the support of Marcus he became praetor.5 After his praetorship he commanded the
- 1See Hadr., xviii. 1 and note. It is improbable that Didius was related to Salvius Julianus, for his family came from Milan, and since an inscription which connected Salvius with this city has been shown to be a forgery, there is no reason for supposing that he was a native of Milan. At any rate, Salvius, who was born toward the end of the first century, was not the great-grandfather of Didius, who was born not later than 137 (see c. ix. 3 and note).
- 2See Marc., i. 3.
- 3According to an inscription found at Rome (C.I.L., vi. 1401 = Dessau, Ins. Sel., 412) he was decemvir litibus iudicandis, on which see note to Hadr., ii. 2.
- 4See note to Pius, vi. 10.
- 5A rescript addressed to him by Marcus is mentioned in Digesta, xxviii. 1, 20, 9.