Possibly of Greek descent,^[1] Arcesilaus was probably the grandson of Titus Flavius Arcesilaus, who was a Flamen of the Arval Brethren, and who served as the magister creatus throughout the 220s.^[2] Arcesilaus himself was probably the Comes of Rome and Italia in AD 257. He was later made consul posterior alongside Ovinius Paternus in AD 267.^[3]

• Christol, Michel, Essai sur l'évolution des carrières sénatoriales dans la seconde moitié du IIIe siècle ap. J.C. (1986)
• Martindale, J. R.; Jones, A. H. M, The Prosopography of the Later Roman Empire, Vol. I AD 260–395, Cambridge University Press (1971)