Passage 5.21.12
χρήμασι δὲ ὑπὸ Ἠλείων ἕτεροί τε ὕστερον καὶ Ἀλεξανδρεὺς ἐζημιώθη πύκτης Ὀλυμπιάδι ἐπὶ ταῖς διακοσίαις ὀγδόῃ τε καὶ δεκάτῃ. ὄνομα μὲν τῷ ζημιωθέντι Ἀπολλώνιος, ἐπίκλησις δὲ ἦν Ῥάντης· καί πως καὶ ἐπιχώριον τὸ ἐς τὰς ἐπικλήσεις τοῖς Ἀλεξανδρεῦσίν ἐστιν. οὗτος ὁ ἀνὴρ ἀδικεῖν ὑπὸ Ἠλείων κατεγνώσθη πρῶτος Αἰγυπτίων·
Afterwards, other competitors as well as a boxer from Alexandria were fined money by the Eleans at the two hundred and eighteenth Olympiad. The name of the punished athlete was Apollonius, whose nickname was Rhantes—indeed, surnames of this sort seem customary among the Alexandrians. This man was the first Egyptian found guilty of wrongdoing by the Eleans.