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
Sister-wife of Njörðr German Phol and Volla may also be a pair. Sister-wife of Njörðr In Norse mythology, the sister-wife of Njörðr is the unnamed wife and sister of the god Njörðr, with whom he is described as having had the (likewise incestuous) twin children Freyr and Freyja. This shadowy goddess is attested in the "Poetic Edda" poem "Lokasenna", recorded in the 13th century by an unknown source, and the "Heimskringla" book "Ynglinga saga", a euhemerized account of the Norse gods composed by Snorri Sturluson also in the 13th century but based on earlier traditional material. The figure receives no further mention in