a gem-engraver, and his brother Aulus, flourished probably in the time of Augustus. There are several works of Aulus extant, but only a fragment of one by Quintus. From the manner in which their names appear on their works, ΑΥΛΟΣ ΑΛΕΞΑ ΕΠ., ΚΟΙΝΤΟΣ ΑΛΕΞ ΕΠΟΙΕΙ, Winckelman and Sillig conclude that their father's name was Alexander; but Osann endeavours to prove that the second word stands for the genitive, not of Ἀλέξανδρος, but of Ἀλεξᾶς. (Bracci, fol. 8; Sillig, Cat. Art. s. v.; Osann, in the Kunstblatt, 1830, p. 336.)
[P.S]A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890