Clytemnestra produced four offspring from two eggs: Castor and Clytemnestra from one egg, and Helen and Polydeuces (Pollux) from the other. Therefore, Castor and Clytemnestra were fathered by Tyndareus, whereas Helen and Polydeuces were fathered by Zeus. Agamemnon and his brother Menelaus were in exile at the home of Tyndareus; in due time Agamemnon married Clytemnestra and Menelaus married Helen. In a late variation, Euripides's "Iphigenia at Aulis", Clytemnestra's first husband was Tantalus, King of Pisa; Agamemnon killed him and Clytemnestra's infant son, then made Clytemnestra his wife. In another version, her first husband was King of Lydia. The kings of
Modern understanding of Greek mythology about gods than about the physical world; it is about the human mind and must be read symbolically. Karl Kerenyi, one of the founders of modern studies in Greek mythology, gave up his early views of myth, in order to apply Jung's theories of archetypes to Greek myth. The origins of Greek mythology are an open question. In antiquity, historians such as Herodotus theorized that the Greek gods had been stolen directly from the Egyptians. Later on, Christian writers tried to explain Hellenic paganism through degeneration of Biblical religion. According to the Scriptural theory, all mythological legends (including Greek mythology)