Artemis of Zeus and Leto and that she was the twin sister of Apollo. An account by Callimachus has it that Hera forbade Leto to give birth on either terra firma (the mainland) or on an island. Hera was angry with her husband Zeus because he had impregnated Leto but the island of Delos disobeyed Hera and Leto gave birth there. According to the Homeric Hymn to Artemis the island where Leto gave birth was Ortygia. In ancient Cretan history Leto was worshipped at Phaistos and, in Cretan mythology, Leto gave birth to Apollo and Artemis on the islands known today
Greek mythology was their sexual companion, to every important god except Ares and to many legendary figures. Previously existing myths, such as those of Achilles and Patroclus, also then were cast in a pederastic light. Alexandrian poets at first, then more generally literary mythographers in the early Roman Empire, often re-adapted stories of Greek mythological characters in this fashion. The achievement of epic poetry was to create story-cycles and, as a result, to develop a new sense of mythological chronology. Thus Greek mythology unfolds as a phase in the development of the world and of humans. While self-contradictions in these stories make