In Greek mythology, Aethra was a daughter of King Pittheus of Troezena and, with Aegeas, or in some versions, Poseidon, mother of Theseus. Greek mythology comprises the collected narratives of Greek gods, goddesses, heroes, and heroines, originally created and spread within an oral-poetic tradition. ... In Greek mythology, Pittheus was a son of Pelops and father of Aethra. ... In Greek mythology, Aegeus, also Aigeus, Aegeas or Aigeas, was the father of Theseus and a Athenian King. ... Andrea Doria as Neptune by Agnolo Bronzino: a potent allegory of Genoas hegemony in the Tyrrhenian Sea In Greek Mythology, Poseidon (Ποσειδῶν) was the god of the sea, known to the Romans as Neptune, and to the Etruscans as Nethuns. ... Theseus (Greek Θησευς) was a legendary king of Athens, son of Aegeus (or of Poseidon). ...

Aegeas (King of Athens) went to Troezena (a city located SW of Athens) and met with Aethra, daughter of Troezena's king, Pittheus. They had sexual intercourse and then, in some versions, Aethra waded out to the sea to Sphairia and became pregnant through Poseidon. When she got pregnant, Aegeas decided to go back to Athens. Before leaving, he covered his sandals, shield and sword under a huge rock and told her that when their son would grow up, he should move the rock and bring his weapons back. Aethra did as she was told and Theseus grew up to be a great hero, killing the Minotaur, among having other adventures. Before the Athenian democracy, the tyrants, and the archons, Athens was ruled by kings. ... The Acropolis in central Athens, one of the most important landmarks in world history. ... In Greek mythology, Pittheus was a son of Pelops and father of Aethra. ... Andrea Doria as Neptune by Agnolo Bronzino: a potent allegory of Genoas hegemony in the Tyrrhenian Sea In Greek Mythology, Poseidon (Ποσειδῶν) was the god of the sea, known to the Romans as Neptune, and to the Etruscans as Nethuns. ... For the American satellite launcher, see Minotaur (rocket). ...

Later, Theseus kidnapped Helen and gave her to Aethra to keep. Helen's brothers, the Dioscuri, took Helen back and kidnapped Aethra in revenge. Helen Ἑλένη was the wife of Menelaus and reputed to be the most beautiful woman in the world, and her abduction by Paris brought about the Trojan War. ... Castor (or Kastor) and Polydeuces (sometimes called Pollux), were in Greek mythology the twin sons of Leda and the brothers of Helen of Troy and Clytemnestra. ...