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
Zeus the nominative is ("Zeús"). It is inflected as follows: vocative: (""); accusative: (); genitive: (); dative: (). Diogenes Laertius quotes Pherecydes of Syros as spelling the name, . "Zeus" is the Greek continuation of *"," the name of the Proto-Indo-European god of the daytime sky, also called *' ("Sky Father"). The god is known under this name in the Rigveda (Vedic Sanskrit "Dyaus/Dyaus Pita"), Latin (compare "Jupiter", from "Iuppiter", deriving from the Proto-Indo-European vocative *'), deriving from the root *"dyeu"- ("to shine", and in its many derivatives, "sky, heaven, god"). Zeus is the only deity in the Olympic pantheon whose