Hölbl, p. 171. The devotion of Ptolemy IV to Dionysus is attested to in Greek historical texts, including 3 Maccabees 2:28–29. The strong incentive offered by this monarch to the Jews of Alexandria to participate in Dionysiac mysteries is mentioned in 3 Maccabees 2:30, namely the granting of equal civic rights with the citizens of the metropolis.