Aulus Egrilius Plarianus, also known as Aulus Egrilius Plarianus Pater, was a Roman senator, who flourished during the reign of Hadrian. He was suffect consul in the nundinium of October to December 128 with Quintus Planius Sardus Varius Ambibulus as his colleague;Alison E. Cooley, The Cambridge Manual of Latin Epigraphy (Cambridge: University Press, 2012), p. 470 as the first of his family to accede to the consulate, he is a homo novus. Plarianus is known entirely from inscriptions.
Plarianus came from a prominent family of Ostia, known from numerous inscriptions recovered from that port city of Rome. His father was Aulus Egrilius Rufus, a prominent decurion of Ostia, attested as duovir and flamen Romae et Augusti; his mother was Plaria Q.f. Vera.Mireille Corbier, L'aerarium saturni et l'aerarium militare: Administration et prosopographie sénatoriale (Rome: École Française de Rome, 1974), p. 165 Through his mother's family, the Plarii, Plarianus could trace a connection with the Senatorial Acilii Glabriones: Manius Acilius Glabrio, consul in 91, had married Arria L.f. Plaria Vera Priscilla, another member of the Plarii.Christer Bruun, "Zwei priscillae aus Ostia under Stammbaum der Egrilii", Zeitschrift für Papyrologie und Epigraphik, 102 (1994), pp. 215–225 Plarianus had at least one brother, Marcus Acilius Priscus Egrilius Plarianus.Corbier, L'aerarium saturni et l'aerarium militare, p. 166
His cursus honorum is not completely known. Plarianus is attested as having been prefectus of the aerarium Saturni from the year 123 to 125, when his brother succeeded him in that role. Plarianus then entered the consulate.Corbier, L'aerarium saturni et l'aerarium militare, pp. 166f Both brothers are attested as two of the numerous patrons of Ostia.
Although the name of his wife has not yet been discovered, Plarianus is known to have had one son, also named Aulus Egrilius Plarianus, who was prefectus of the aerarium militare, but did not advance to the consulate for unknown reasons.Corbier, L'aerarium saturni et l'aerarium militare, pp. 393-395
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