Analysis of information sources in references of the Wikipedia article "Hephaestion" in English language version.
[...] none of Alexander's extant biographers, Greek or Roman, ever refers to Hephaestion as anything but Alexander's 'friend' (Greek philos, Latin amicus), conforming to Alexander's own epithet for him, philalexandros
Διογένης Ἡφαιστίωνι ἥρωι (Diogénēs Hephaistíoni hḗroi)
Διογένης Ἡφαιστίωνι ἥρωι (Diogénēs Hephaistíoni hḗroi)