In Greek mythology, Agamemnon (; Ancient Greek: ; modern Greek:, " very steadfast ") was the son of King Atreus and Queen Aerope of Mycenae, the brother of Menelaus, the husband of Clytemnestra, and the father of Electra and Orestes.

Atreus, Agamemnon's father, murdered the children of his twin brother Thyestes and fed them to him after discovering Thyestes ' adultery with his wife Aerope.

Thyestes felt he had been deprived of the Mycenean throne unfairly by his brother, Atreus.

The two contenders were Atreus and his brother, Thyestes.

He was the son of Atreus and Aerope, and brother of Agamemnon king of Mycenae and, according to the Iliad, leader of the Spartan contingent of the Greek army during the War.

According to these sources, Menelaus ' father Atreus had been feuding with his brother Thyestes over the throne of Mycenae.

The play tells the story of Thyestes, son of Pelops, King of Pisa, who, along with his brother Atreus, was exiled by Pelops for the murder of their half-brother, Chrysippus.

Atreus and his twin brother Thyestes were exiled by their father for murdering their half-brother Chrysippus in their desire for the throne of Olympia.

She gave it to Thyestes, her lover and Atreus ' brother, who then convinced Atreus to agree that whoever had the lamb should be king.

In a column assessing Caroline Kennedy's candidacy for the US Senate seat being vacated by Hillary Clinton in early 2009, Maureen Dowd likened the Kennedy family role in US politics, from grandfather Joe Kennedy to father John Kennedy and uncles Robert Kennedy and Ted Kennedy, to the House of Atreus, and Caroline and her brother John F. Kennedy, Jr .' s place in it as " heartbreaking.

Aerope played a part in the struggle for power between Atreus and his twin brother Thyestes, and their subsequent blood feud.

Thyestes and his twin brother, Atreus, were exiled by their father for having murdered their half-brother, Chrysippus, in their desire for the throne of Olympia.

Atreus, Thyestes ' brother and King of Mycenae, vowed to sacrifice his best lamb to Artemis.

Thyestes had been fighting with his brother, Atreus, for the throne of Mycenae for some time, as well as having an affair with Atreus ' wife, Aerope.

Soon after that, Atreus came to Thesprotus in search of his brother and, taking Pelopia for a daughter of Thesprotus, asked for her hand, to which Thesprotus consented in order not to reveal the truth.

According to Hyginus, Pleisthenes was raised by Atreus's brother Thyestes, accompanied Thyestes into exile, and was sent by Thyestes to kill Atreus.

He and his brother Tantalus were killed by Atreus ( Aerope's husband ) and fed to their father, Thyestes, in revenge for the death of Pleisthenes ( son of Atreus ).

French linguist Jean-Claude Milner offered in Détections fictives, Le Seuil, collection « Fictions & Cie », 1985, supporting evidence that Dupin and D — are brothers, based on the final reference to Atreus and his twin brother, Thyestes.

When he already entered adulthood, Thyestes was captured by Agamemnon and Menelaus at Delphi and brought to Atreus, who sent Aegisthus to kill him.

Thyestes fathered Aegisthus with his own daughter, Pelopia, and this son vowed gruesome revenge on Atreus ' children.

Aegisthus successfully murdered Atreus and restored his father to the throne.

Aegisthus and Clytemnestra then ruled Agamemnon's kingdom for a time, Aegisthus claiming his right of revenge for Agamemnon's father Atreus having fed Thyestes his own children ( Thyestes then crying out " So perish all the race of Pleisthenes!

Atreus, not knowing the baby's origin, took Aegisthus in and raised him as his own son.

Aegisthus and his father now took possession of their lawful inheritance from which they had been expelled by Atreus.

Aegisthus and Thyestes thereafter ruled over Mycenae jointly, exiling Atreus ' sons, Agamemnon and Menelaus to Sparta, where King Tyndareus gave the pair his daughters, Clytemnestra and Helen, to take as wives.

While Agamemnon, the son of Atreus, was absent on his expedition against Troy, Aegisthus seduced Clytemnestra, the wife of Agamemnon, and was so wicked as to offer up thanks to the gods for the success with which his criminal exertions were crowned.

Aegisthus, the son of Thyestes, killed Atreus and restored Thyestes to the throne.

After a back-and-forth struggle that featured adultery, incest and cannibalism, Thyestes gained the throne after his son Aegisthus murdered Atreus.

However, when Thyestes returns, Atreus secretly kills Thyestes ' sons, Pelopia and Aegisthus.

A shepherd found the infant Aegisthus and gave him to Atreus, who raised him as his own son.

Aegisthus then killed Atreus, although not before Atreus had two sons, Agamemnon and Menelaus.

Thyestes did so and the son, Aegisthus, did kill Atreus.

A shepherd found the infant Aegisthus and gave him to Atreus, who raised him as his own son.

Only as he entered adulthood did Thyestes reveal the truth to Aegisthus, that he was both father and grandfather to the boy and that Atreus was his uncle.

Aegisthus then killed Atreus.

A shepherd found the infant Aegisthus and gave him to Atreus, who raised him as his own son.

Aegisthus then killed Atreus and restored the kingdom to Thyestes.

The advice was to father a son with his own daughter, Pelopia, and that son would kill Atreus.

Thyestes responded by asking an oracle what to do, who advised him to have a son by his daughter, Pelopia, who would then kill Atreus.

An oracle then advised Thyestes that, if he had a son with his own daughter Pelopia, that son would kill Atreus.

An oracle then advised Thyestes that, if he had a son with his own daughter, Pelopia, that son would kill Atreus.