Genethlius

Genethlius ({{langx|el|Γενέθλιος|Genéthlios}}) was a 3rd-century Arab sophist from Petra, Arabia Petraea. His father was also named Genethlius.{{Cite web|url=http://onlinebooks.library.upenn.edu/webbin/work?id=olbp69034|title=Suda lexicon, by Suidas (Lexicographer) (work) {{!}} The Online Books Page|website=onlinebooks.library.upenn.edu|language=en|access-date=2018-09-25}}

He was a pupil of the Greek sophists Minucianus ({{langx|grc|Μινουκιανός}}) and Agapetus ({{langx|grc|Ἀγαπητός}}), and then he himself became a teacher and practiced rhetoric in Athens. He has been known as a rival to the famous Callinicus of Petra.{{Cite book|url=https://books.google.com/books?id=L4NBigJ3NF4C&q=genethlius&pg=PA12|title=Roman Arabia|last=Bowersock|first=Glen Warren|date=1994|publisher=Harvard University Press|isbn=9780674777569|language=en}}{{Cite web |title=SOL Search |url=https://www.cs.uky.edu/~raphael/sol/sol-entries/gamma/132 |access-date=2022-03-02 |website=www.cs.uky.edu}}

Genethlius is also thought by some scholars to be the author of the first treatise in the corpus of Menander Rhetor.