Clytemnestra Troy. The Trojan War lasted ten years. During this period of Agamemnon's long absence, Clytemnestra began a love affair with Aegisthus, her husband's cousin. Whether Clytemnestra was seduced into the affair or entered into it independently differs according to the respective author of the myth. Nevertheless, Clytemnestra and Aegisthus began plotting Agamemnon's demise. Clytemnestra was enraged by Iphigenia's murder (and presumably the earlier murder of her first husband by Agamemnon, and her subsequent rape and forced marriage). Aegisthus saw his father Thyestes betrayed by Agamemnon's father Atreus (Aegisthus was conceived specifically to take revenge on that branch of the family).
Tyndareus Tyndareus In Greek mythology, Tyndareus (; Ancient Greek: Τυνδάρεος, "Tundáreos"; Attic: Τυνδάρεως, "Tundáreōs"; ) was a Spartan king. Tyndareus was the son of Oebalus (or Perieres) and Gorgophone (or Bateia). He married the Aetolian princess, Leda by whom he became the father of Castor, Clytemnestra, Timandra, Phoebe and Philonoe, and the stepfather of Helen of Troy and Pollux. Tyndareus had a brother named Hippocoon, who seized power and exiled Tyndareus. He was reinstated by Heracles, who killed Hippocoon and his sons. Tyndareus’ other brother was Icarius, the father of Penelope. Tyndareus’ wife Leda was seduced by Zeus, who disguised himself