Roman mythology, Iapyx or "Iapux" was Aeneas's healer during the Trojan Warand then escaped to Italyafter the war and founded Apulia.
He was either:
*the son of Lycaon, which would make him the brother of
Dauniusand Peucetius(who went as leaders of a colony to Italy - Anton. Lib. 31)
*a Cretan, from whom the Cretans who migrated to Italy derived the name of Iapyges, son of
**by his wife, thus making him a full-brother of Icarus (Harry Thurston Peck, Harpers Dictionary of Classical Antiquities (1898, Serv. ad Aen. iii. 332).
**by another Cretan woman (Strab. vi.; Athen. xii.; Herod. vii. 170; Heyne, ad Virg. Aen. xi. 247).
Iapyx appears in Aeneid 12 (there is no book 20).
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